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#1 |
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Location: NYC
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Is the Day-Date 40 actually 39mm?
I heard from someone the DD40 case is actually 39mm and not 40mm. Is this true?
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#2 |
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Join Date: Jun 2021
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No then it would be a DD39. You are safe
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#3 |
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Is there any evidence to this claim? Or did someone hold up a previous-gen Explorer 1 & say "yep, that's the same?"
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#4 |
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Join Date: Jan 2023
Location: USA
Posts: 159
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Rolex is notorious for rounding up and down its case width numbers. You’re right to ask.
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#5 |
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#6 |
2024 ROLEX SUBMARINER 41 Pledge Member
Join Date: Jan 2018
Location: Florida
Watch: Sub, DJ41, GMT
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I have read on this forum many times that a DJ41 is actually 39mm. I have one and it’s probably true. It wears a lot smaller than my Submariner, and especially my 42mm Seamaster.
So maybe a DD40 is only 39mm. Sent from my iPhone using Tapatalk |
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#7 |
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#8 |
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Does anyone here own a DD40 with a set of calipers who can verify?
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#9 |
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Join Date: May 2020
Location: Shreveport
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Case diameter 39.25mm, lug to lug 47.25mm.
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#10 |
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#11 |
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Join Date: Jun 2014
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Rolex measures there ase from 4 to 10 I believe.
The case flares out slightly there. So yes they are all overstated. |
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#12 |
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https://www.rolexforums.com/showthread.php?t=766757
Previous discussion in measuring a Rolex with photos |
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#13 |
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Watchbox reviews: 40mm diameter 47.7mm lug to lug 12mm thick
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#14 |
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#15 | |
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Quote:
Just as the DJ41 is approximately 40mm And steel (+yellow gold on Oyster) Daytonas were just under 39mm and are now just under 40mm https://www.rolexforums.com/showthread.php?t=516534 ![]()
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#16 |
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Tim is very specific comparing it to DD II: 41mm diameter 53.2mm lug to lug and “both exactly” 12mm thick.
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#17 |
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Join Date: Jun 2014
Location: mississippi river
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Article about how the Rolex measurements are diagonal, 2 to 8 or 4 to 10.
The case flares out as it goes to the lugs, so as mentioned earlier, all Rolex watch diameters are overstated. https://millenarywatches.com/how-do-...e-my-rolex-is/ |
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#18 |
2024 ROLEX SUBMARINER 41 Pledge Member
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#19 |
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#20 |
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#21 |
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Yes, it's not fully 40mm although I don't have my DD and calipers with me at the moment to give you an exact measurement. The DD does run ever so slightly smaller than 40mm though.
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#22 |
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Omg.....
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#23 |
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#24 |
2024 ROLEX SUBMARINER 41 Pledge Member
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It’ll depend on who measures it, how they measure and whether they’re calipers are properly calibrated
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#25 |
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Have to agree mate all this fuss over a mm or so,I remember many years they called my first car a Austin mini 1000 but found out it was only 998cc.Was thinking of sueing them over my lost 2cc as they said it was a 1000cc.
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ICom Pro3 All posts are my own opinion and my opinion only. "The clock of life is wound but once, and no man has the power to tell just when the hands will stop. Now is the only time you actually own the time, Place no faith in time, for the clock may soon be still for ever." Good Judgement comes from experience,experience comes from Bad Judgement,.Buy quality, cry once; buy cheap, cry again and again. www.mc0yad.club Second in command CEO and left handed watch winder ![]() |
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#26 |
2024 ROLEX SUBMARINER 41 Pledge Member
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DD40 = 39mm
DJ41 = 39.5mm |
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#27 |
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#28 | |
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Join Date: May 2020
Location: Shreveport
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Quote:
I measured my watch with calipers last night. It’s a YG DD 40. I measured 3:30 to 9:30 on the case. You can get different measurements as you go around the case, as it is not a perfect circle. |
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#29 |
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I agree, my DJ41 wears more like a 39 or 40mm.
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#30 |
2024 ROLEX SUBMARINER 41 Pledge Member
Join Date: Jul 2013
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If Rolex produced your car it would have been badged 1500
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