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#1 |
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The 62MAS Re-Issue
I think it's safe to say that anyone that has any interest at all in Seiko and / or diving watches has already heard about this one. In fact, it's hard to find a watch-blog right now that hasn't done a write-up on it. A couple of obvious reasons are that Seiko just started rolling out the production units. Basel only had prototypes on hand, behind glass cases, hands-off for all but the most VIP publications and their editors. Secondly, it's a very exciting release for pretty much all Seiko / Prospex fans, given it's amazing faithfulness to it's origins, Seiko's very first diver, the 1965 "62MAS" (6217-8000/1). ![]() click-the-pics for hi-res goodness A quick look into the Seiko-Diver's history The history of Seiko's involvement in diving watches doesn't reach quite as far back as Rolex or Omega's, but interesting all the same, even if not represented by the likes of COMEX or the U.S. Navy's Sea-Lab or Cousteau et al. Rolex had the 5513 Submariner out and Omega was already on their 2nd gen of the Omega Seamaster 300 when Seiko released the 62MAS. However things moved on quickly from there, with the 1968 "Diver's 300M" (6215-7000), 1975 "world's first titanium cased diver's watch, the Professional Diver's 600m" (6159-7010 - Grandfather Tuna), 1978 The Professional Diver's 600m, the world's first saturation diving watch featuring a quartz movement. ![]() Perhaps Seiko's most interesting milestone in (pre-dive-computing era) diving watches was the monocoque case solution to the Helium-saturation problem, avoiding the need for an HEV which the other manufactures implemented (Doxa, Omega, Rolex, ...). But Seiko can also be credited with other dive-related firsts; New to me was the fact that the "accordion" diving strap used by many companies was actually invented by Seiko! There's also little doubt that the Quartz giant played a definitive role in the dive-computer era, including the first Dive computer in 1990. In terms of "pure" diving watches, the Marinemaster-Professional series is the most popular today. The 300MM as well as the 600 and 1000M models making use of the various movements in Seiko's portfolio (mechanical, Spring Drive and Quartz). The two obvious design changes between the 62MAS generation and the Diver's 300m is the move to a monocoque case and re-positioning the crown to the 4 o'clock position. For the 600m they switched to a Ti case and added a protection shroud (and if I'm not mistaken, were the first to use Ti cases.) ![]() 8L35 workhorse "62MAS" was Seiko's official designation consisting of the first two digits of the movement (6217) and MAS from "Seikomatic 395 Selfdater" a designation associated with a model that appeared just before the 6217 (it's predecessor, the "Seikomatic Silverwave" having the simplest designator, "MA"). The SLA017 has no such designator (known to us, in any event). It does however use Seiko's current mechanical workhorse, the 8L35. There's quite a bit on the Net regarding this movement so I will only touch upon the basics. The 8L35 belongs to the 9S5 movement family introduced in 1998. The "9S" are dedicated to the Grand Seikos while the 8L is a "less decorated*" and "less adjusted" duplicate of the 9S. The 8Ls are used in the Prospex line (and possibly other Seiko lines). The 8L35 is in use in several current models, such as the "Marinemaster Professionals" 300m (SBDX017) and 1000m (SBDX013/14). Going upwards we have the 8L55 "Hi-beat" for a LE of the MMP (SBEX005) and a (slight) step downwards, the 6R15 for the "Diver Scuba" series (SPB051J/SBDC051, SBDC029/31/39). The 8L35 has a PR of 50hrs and suggested accuracy of 10-/15+ (vs. the 6R15 rated at 10-/25+). Mine seems to be currently around +10s but I haven't worn it enough and expect it to settle a little, maybe down to +6~7s which is more than satisfactory. My SM300MC and Seadweller 16600 are also in this range so there's no reason for concern. Besides the reasonable accuracy, the movement has essentially been in production for 20 years without any major modifications. *Thanks to a fellow WIS "Yosson" and his feedback on IG, the modern "8L35B" has a nicer finish than the originals and therefore the term "unfinished" is no longer applicable. ![]() It's the "new-and-improved" 62MAS... Compared to its ancestor, the SLA017 naturally makes use of Seiko's advancements over the past 50 years. Most notable are the improved movement with longer PR, hacking seconds, better depth rating (150->200m) unidirectional bezel, screw-down crown, sapphire crystal and (what certainly must be) a higher level of fit & finish all the way down to the dial. Seiko used their updated Lumibrite (Tritium has excellent luminosity but only for say, seven years...). Finally, an increase in case-size given today's preferences (37 to 40mm). It's also quite satisfying knowing that the watch is assembled by the same team(s) that work on the Grand Seiko mechanical watches at Seiko's Shizuku-ishi Watch Studio (Morioka Seiko Instruments). ![]() At the same time, Seiko went out of their way to honor the original with this "re-issue", from the case finish down to the Dolphin* on the caseback. Seiko even supplied the same style of "waffle" silicone strap that came with the ~2nd iteration of the 62MAS (the first batches were delivered with so-called "Tropic Rubber", most likely the very first rubber strap ever made). *On a side-note, the Dolphin made a short appearance on a few Seiko divers "in between" Seiko's more common Tsunami wave. The reason for the switching back and forth is unknown (...to me, at least). ![]() Wrapping it up When I saw Seiko's announcement for this year's Basel, it took me all of one minute to decide I had to have this watch. I'd been hunting for a Prospex for over a year. I tried several from the Marinemaster Pro series (300m MM, 1000m Tuna) but for one reason or the other I couldn't commit. Et voila, the SLA017 was the definitive answer! I love the vintage look; much of my humble watch collection is based on vintage tributes or pieces that essentially haven't changed, like my Speedmaster or Sea Dweller ... timeless! Add to that the meticulous execution of every detail, almost rivaling my SBGA125, from the domed crystal to the (green!!!) lume to the bold lines of the radial-brushed case. In fact, it's almost perfect. Had Seiko used an applied logo and went with an embossed caseback, it would have been sheer perfection... . But darn if it ain't close enough ...and yes, well worth the price of entry. ![]() ![]() ******** Let's enjoy a closer look at this beauty... ![]() ![]() ![]() ![]() ![]() Case dimensions are spot on: Diameter 40mm, Thickness 14mm, Lug2lug 48mm, lug width 19mm, weight 110 grams ![]() ![]() ![]() Choices, choices... but not for me; the waffle strap is the way to go - retro! That and maybe some Tropic rubber... yesss! ![]() Among great company... ![]() ![]() ![]() The "upgraded" lumibrite on the SLA017 is dramatic and may be the one to finally beat the PAMs... ![]() ![]() ******** Annex: The great bracelet debate A.K.A. bracelet-gate... There's quite a bit of disappointment in the community regarding the supplied bracelet. It's not as functional as the one provided with the current production MM300 and some even consider it to be of inferior construction. You will find more than enough trash-talk around the Net. In my personal opinion, the bracelet was an afterthought. In any event, I would grade it as the same level of quality as the one that came with my €300 Steinhart... Seiko's offering... ![]() ![]() ![]() ![]() Steinhart's - for all intent and purposes, identical ![]() ![]() Moving up the quality-scale: Mühle Glashütte S.A.R., comparable in price to the SLA017... ![]() ![]() The best of (my) best - the SM300MC's bracelet... ![]() ![]() ********
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Traveller - Genève * Melbourne * Miami * Wien Breitling AVI 765r Navitimer 806r Omega 3572.50 SM300MC Speedy Tuesday Caliber 321 Panerai 111 217 233 Rolex 16600 126600 Seiko SBGA125 SBDX001 SLA017 SLA025 SLA033 Tudor 5B GMT Zénith A386ME Other Mühle Glashütte S.A.R. Flieger Chronoswiss Tora |
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#2 |
"TRF" Member
Join Date: Dec 2009
Real Name: Genaro
Location: Fresno Ca.
Watch: R O L E X
Posts: 4,466
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Wow!!! Awesome!! Thank you!!
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#3 |
Banned
Join Date: Aug 2015
Location: down by the river
Posts: 4,926
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great review
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#4 |
TRF Moderator & 2024 SUBMARINER Patron
Join Date: Jul 2013
Real Name: Adam
Location: Far East
Watch: SEIKO TUNA
Posts: 28,607
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#5 |
"TRF" Member
Join Date: Apr 2014
Location: Taipei
Posts: 294
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Great review and even better exposures! I imagine it took some time to set-up those shots with the perfect angles and lighting conditions. Awesome watch too!
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#6 |
2024 ROLEX SUBMARINER 41 Pledge Member
Join Date: Nov 2010
Location: North Carolina
Watch: Rolex/Others
Posts: 46,652
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Great review of a cool watch.
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#7 |
2024 ROLEX SUBMARINER 41 Pledge Member
Join Date: Dec 2009
Real Name: Bob
Location: U.S.A.
Watch: 1655
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Great review.......I'm still chuffed with my 62mas re issue!
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#8 |
2024 Pledge Member
Join Date: Jul 2012
Location: VIE
Watch: my sig. ;)
Posts: 3,087
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"...In my personal opinion, the bracelet was an afterthought. In any event, I would grade it as the same level of quality as the one that came with my €300 Steinhart..."
***CORRECTION*** Since the Steinhart's rudimentary, "double-locking fold-over clasp" bracelet does not have a diver's extension*, the Seiko bracelet is clearly an improvement - I therefore stand corrected! It's also evident that Seiko's comes with a release-button function, however this is a minor difference in comparison... . *Seiko's extension-hinge is clearly visible, bottom-right side ![]() ...vs. Steinhart's ![]()
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Traveller - Genève * Melbourne * Miami * Wien Breitling AVI 765r Navitimer 806r Omega 3572.50 SM300MC Speedy Tuesday Caliber 321 Panerai 111 217 233 Rolex 16600 126600 Seiko SBGA125 SBDX001 SLA017 SLA025 SLA033 Tudor 5B GMT Zénith A386ME Other Mühle Glashütte S.A.R. Flieger Chronoswiss Tora |
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#9 |
2024 ROLEX SUBMARINER 41 Pledge Member
Join Date: Mar 2015
Location: Ontario
Watch: Exp II - old & new
Posts: 689
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What amazing photos! Thanks for sharing. And what an amazing watch!
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#10 |
"TRF" Member
Join Date: Sep 2012
Location: North Shore
Posts: 1,116
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Excellent review and photos.
I picked mine up this week and I'm thrilled with it. An absolute killer!!! I placed my order immediately from the exhibition floor at Basel World as soon as I saw it. It was my favorite watch in the whole show. I'm glad I did because it's looking like demand will be high for this one. I'd post photos but for some reason the site no longer lets me post photos from the iPhone, saying tha they are too large. I don't get it. I've been posting iPhones for years. Mods do you know what's up?
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I have a weakness for Travel Watches, Platinum, Vintage Rolex and 1960s Divers ![]() |
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#11 |
2024 Pledge Member
Join Date: Jul 2015
Real Name: Anonymous
Location: location location
Watch: Rolex, Patek
Posts: 2,352
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Great write up and pics. Thanks for posting. Picked one up this past weekend when I was in NYC for the Patek exhibit
![]() Sent from my iPhone using Tapatalk |
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#12 |
"TRF" Member
Join Date: Jul 2016
Real Name: Allan
Location: Little Red Dot
Watch: Still Looking....!
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Thanks for the review~~
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#13 |
"TRF" Member
Join Date: Sep 2008
Real Name: Clive
Location: Exoplanet
Watch: spring-driven
Posts: 38,856
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Fantastic review and photos
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#14 |
2024 Pledge Member
Join Date: Jul 2012
Location: VIE
Watch: my sig. ;)
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Thx guys
![]() @Descartes, @Tomalf123 - congrats, gents! ![]() Looking good on you, Tom! I would have maybe gone for a Patek ...if it sold for the same price... ![]() Regarding the OEM Bracelet... FWIW, I took some quick&dirty pics of the OEM bracelet in "extended" mode ![]() ![]() ![]()
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Traveller - Genève * Melbourne * Miami * Wien Breitling AVI 765r Navitimer 806r Omega 3572.50 SM300MC Speedy Tuesday Caliber 321 Panerai 111 217 233 Rolex 16600 126600 Seiko SBGA125 SBDX001 SLA017 SLA025 SLA033 Tudor 5B GMT Zénith A386ME Other Mühle Glashütte S.A.R. Flieger Chronoswiss Tora |
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#15 |
"TRF" Member
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Watch: Rolex
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SLA017J (SBDX019) The 62MAS Re-Issue: A Pictorial
Nice pictorial review especially on the comparison with the diver models of the other brands.
Mine 8LMas or 17Mas would like to say hello! ![]() Sent from my iPhone using Tapatalk
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Rolex Rolex Rolex Rolex Rolex Rolex Rolex Rolex Rolex Rolex Go for the timepiece you love. You will save more. ... ![]() |
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#16 |
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Real Name: Jeff
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Excellent review and pictures.
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#17 |
Banned
Join Date: Jun 2015
Location: US
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Great review and pics! Thanks
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#18 |
2024 Pledge Member
Join Date: Jul 2012
Location: VIE
Watch: my sig. ;)
Posts: 3,087
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Thx everyone - I'm lovin' it
![]() Looking good, Rolexavidfan ![]() On my wrist today ![]() ![]()
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Traveller - Genève * Melbourne * Miami * Wien Breitling AVI 765r Navitimer 806r Omega 3572.50 SM300MC Speedy Tuesday Caliber 321 Panerai 111 217 233 Rolex 16600 126600 Seiko SBGA125 SBDX001 SLA017 SLA025 SLA033 Tudor 5B GMT Zénith A386ME Other Mühle Glashütte S.A.R. Flieger Chronoswiss Tora |
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#19 |
2024 Pledge Member
Join Date: Jul 2015
Real Name: Anonymous
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Watch: Rolex, Patek
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I love mine more everyday!! I highly recommend anyone on the fence snagging one if you can find it.
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#20 |
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Join Date: Oct 2009
Location: Socal
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Nice watch and very nice review.
I am wondering, what's the lug width of the bracelet at the clasp? Maybe it can be replaced with the MM300 clasp.
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#21 | |
2024 Pledge Member
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Quote:
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Traveller - Genève * Melbourne * Miami * Wien Breitling AVI 765r Navitimer 806r Omega 3572.50 SM300MC Speedy Tuesday Caliber 321 Panerai 111 217 233 Rolex 16600 126600 Seiko SBGA125 SBDX001 SLA017 SLA025 SLA033 Tudor 5B GMT Zénith A386ME Other Mühle Glashütte S.A.R. Flieger Chronoswiss Tora |
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#22 | |
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Quote:
but the down side is the that the extension digs into my wrist a little bit (when I had it for another watch), and the clasp is thick. So good and bad ... ![]()
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135 ├┼┼╕ 246 R |
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#23 |
2024 Pledge Member
Join Date: Jul 2012
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Watch: my sig. ;)
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Me & my SLA017 visited Melbourne (AU) recently - great city, great watch
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Traveller - Genève * Melbourne * Miami * Wien Breitling AVI 765r Navitimer 806r Omega 3572.50 SM300MC Speedy Tuesday Caliber 321 Panerai 111 217 233 Rolex 16600 126600 Seiko SBGA125 SBDX001 SLA017 SLA025 SLA033 Tudor 5B GMT Zénith A386ME Other Mühle Glashütte S.A.R. Flieger Chronoswiss Tora |
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#24 |
2024 ROLEX SUBMARINER 41 Pledge Member
Join Date: Mar 2010
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![]() I wasn't aware of this one, thanks so much for the photos and info....and many congrats! Very cool piece. |
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#25 |
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It's a beautiful piece, but the bracelet is definitely a letdown. I'm excited to test out the 8L35 myself in my incoming MM300 SBDX017!
Glad you're enjoying it!
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#26 |
2024 Pledge Member
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Watch: my sig. ;)
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It does kick a$$, don't it... TGIF everyone
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Traveller - Genève * Melbourne * Miami * Wien Breitling AVI 765r Navitimer 806r Omega 3572.50 SM300MC Speedy Tuesday Caliber 321 Panerai 111 217 233 Rolex 16600 126600 Seiko SBGA125 SBDX001 SLA017 SLA025 SLA033 Tudor 5B GMT Zénith A386ME Other Mühle Glashütte S.A.R. Flieger Chronoswiss Tora |
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#27 |
2024 ROLEX SUBMARINER 41 Pledge Member
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Real Name: Bob
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Still chuffed
![]() Sent from my SM-G930V using Tapatalk
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#28 |
2024 Pledge Member
Join Date: Jul 2012
Location: VIE
Watch: my sig. ;)
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TGIF
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Traveller - Genève * Melbourne * Miami * Wien Breitling AVI 765r Navitimer 806r Omega 3572.50 SM300MC Speedy Tuesday Caliber 321 Panerai 111 217 233 Rolex 16600 126600 Seiko SBGA125 SBDX001 SLA017 SLA025 SLA033 Tudor 5B GMT Zénith A386ME Other Mühle Glashütte S.A.R. Flieger Chronoswiss Tora |
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#29 |
"TRF" Member
Join Date: Nov 2012
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really nice watch, alas many will dismiss through ignorance of the brand.
She sure looks nice though - enjoy! |
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#30 | |
2024 Pledge Member
Join Date: Jul 2012
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Quote:
![]() p.s. And only 1000 of these... ![]() ![]()
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Traveller - Genève * Melbourne * Miami * Wien Breitling AVI 765r Navitimer 806r Omega 3572.50 SM300MC Speedy Tuesday Caliber 321 Panerai 111 217 233 Rolex 16600 126600 Seiko SBGA125 SBDX001 SLA017 SLA025 SLA033 Tudor 5B GMT Zénith A386ME Other Mühle Glashütte S.A.R. Flieger Chronoswiss Tora |
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