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Marrk · 6 June 2008, 05:52 AM

1) Why does my GMT II, which has a twinlock crown, have a line under the coronet on the crown instead of two dots?

2) I read in _Watch Time_ that the twinlock has one insulator, the triplock has three. What does the "twin" of "twinlock" stand for?

Mike? Bo? Larry? (The Peps Boys of TRF)

Thanks.

Mark

SPACE-DWELLER · 6 June 2008, 06:01 AM

This chart over crown marks might help:

(Pic from a German watch forum).

Furthermore, there is an interesting note about rose gold models. The RG Twinlock crowns have a two dots (like the WG one), and not a line.

Here is an overview:

Steel: Line
YG: Line
RG: Two dots
WG: Two dots
Plat.: ONE dot.

-------------------

TwinLock has two seals, hence its name. It has a seal in the tube and one in the crown.

TripLock has three seals (2 in the tube, one in the crown itself) PLUS the O-ring, so in a way it has four seals on total and ought have the name QuadroLock.

Here is a pic of the two sizes TwinLock crowns and the Triplock crown:

(Pic from my Photobucket).

Marrk · 6 June 2008, 06:15 AM

Thanks, Bo. Very interesting.

etp095 · 6 June 2008, 06:26 AM

thanks for the info bo.

Hatchet · 6 June 2008, 10:54 AM

Nice.

eric23 · 6 June 2008, 12:53 PM

Thanks Bo, Great info.

Baptistman · 6 June 2008, 05:16 PM

Damn you Bo, you pipped me to it, O well ,suppose you get the credit again

pwrslider · 6 June 2008, 05:25 PM

Quote:

Originally Posted by Baptistman

Damn you Bo, you pipped me to it, O well ,suppose you get the credit again

Nice..but I don't think you could ever beat BO at the know!

6 June 2008, 05:52 AM	#1
Marrk "TRF" Member Join Date: Mar 2008 Real Name: Mark Location: Los Angeles Watch: 5513 Posts: 2,192	Twinlock Crown 1) Why does my GMT II, which has a twinlock crown, have a line under the coronet on the crown instead of two dots? 2) I read in _Watch Time_ that the twinlock has one insulator, the triplock has three. What does the "twin" of "twinlock" stand for? Mike? Bo? Larry? (The Peps Boys of TRF) Thanks. Mark

6 June 2008, 06:01 AM	#2
SPACE-DWELLER "TRF" Member Join Date: Apr 2007 Real Name: Bo Location: Denmark Watch: Rolex, of course! Posts: 22,436	This chart over crown marks might help: (Pic from a German watch forum). Furthermore, there is an interesting note about rose gold models. The RG Twinlock crowns have a two dots (like the WG one), and not a line. Here is an overview: Steel: Line YG: Line RG: Two dots WG: Two dots Plat.: ONE dot. ------------------- TwinLock has two seals, hence its name. It has a seal in the tube and one in the crown. TripLock has three seals (2 in the tube, one in the crown itself) PLUS the O-ring, so in a way it has four seals on total and ought have the name QuadroLock. Here is a pic of the two sizes TwinLock crowns and the Triplock crown: (Pic from my Photobucket). __________________ With kind regards, Bo LocTite 221: The Taming Of The Screw...

6 June 2008, 06:26 AM	#4
etp095 "TRF" Member Join Date: Jan 2008 Real Name: rudolph Location: chicago burbs Posts: 2,026	thanks for the info bo. __________________ tt date circa 69' 5513 circa 81' ss sub w/date (z) pepsi gmt for dad(D) polar expy II(z) 1675 gmt circa 68' ladies datejust on jubilee for mom (z) sea dweller16600(M) SS Sub-C(g) Omega Planet Ocean,45.5 on mesh(2500D)

6 June 2008, 10:54 AM	#5
Hatchet "TRF" Member Join Date: Jan 2008 Location: Mississippi Posts: 444	Nice. __________________ And I say, "Hey, Lama, hey, how about a little something, you know, for the effort, you know." And he says, "Oh, uh, there won't be any money, but when you die, on your deathbed, you will receive total consciousness." So I got that goin' for me, which is nice. --Carl Spackler in Caddyshack

6 June 2008, 05:16 PM	#7
Baptistman "TRF" Member Join Date: Oct 2005 Real Name: Jon Location: UK Posts: 2,405	Damn you Bo, you pipped me to it, O well ,suppose you get the credit again __________________ Whatever the watch, it's your wrist, it speaks to you, enjoy it

6 June 2008, 06:15 AM	#3
Marrk "TRF" Member Join Date: Mar 2008 Real Name: Mark Location: Los Angeles Watch: 5513 Posts: 2,192	Thanks, Bo. Very interesting.

6 June 2008, 12:53 PM	#6
eric23 "TRF" Member Join Date: Apr 2008 Real Name: Eric Location: Calgary Posts: 9,595	Thanks Bo, Great info.

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