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jwalther · 21 January 2010, 09:33 PM

Question prompted by a couple of responses to my post in the "watch out" section yesterday. . .Are the lugs on the crown side of vintage GMTs, specifically ref. 16750 models, designed to be narrower than those on the opposite side? I noticed this yesterday on my watch, and initially thought it was the product of some fairly agressive polishing or repair work. Some folks have indicated the crown side lugs are actually narrower in width than those on the opposite side. Is that true?

Here is my watch. The width of the top flat area of the 4:00 lug is .4-.5mm narrower than the 8:00 lug.

Here for comparison is another 16750 with similar lugs.

Tools · 22 January 2010, 02:39 AM

This is normal........

JJ Irani · 22 January 2010, 02:43 AM

Thanks for the heads up.

On the watch you've picture, the 0.5 mm difference is indeed noticeable to the naked eye.

I'm wearing my TT GMT-IIC now even as I type this, and I cannot see any difference..........unless, of course, the difference is in microns.

JJ

Tools · 22 January 2010, 04:16 AM

The contour into the case is slightly different on each side although the lugs are the same up to the point where they touch the case at the inside..

This shows the tiny amount of extra lug width on the backside..

Speed · 22 January 2010, 04:57 AM

Great display Larry...

Fascinating minutiae. Seriously.

glendon21 · 22 January 2010, 03:38 PM

Here is another info:

glendon21 · 22 January 2010, 03:41 PM

http://www.network54.com/Forum/20759...+have+numbers-

Andad · 22 January 2010, 04:45 PM

This is a fact that we have known for a long time.

If you are in doubt, just measure it for yourself.

jwalther · 22 January 2010, 09:24 PM

Quote:

Originally Posted by glendon21

http://www.network54.com/Forum/20759...+have+numbers-

Great stuff! Thanks

Rscmaine · 22 January 2010, 10:33 PM

I just measure my 16613 with a micrometer and it is identical - I still think that the OP's watch looks like the 4 o clock lug was over ground and now 'curved' at the tip. I must be due for new glasses.

shaggy · 23 January 2010, 01:29 AM

my TT Daytona (less than a year old and new when i got it) has both lugs thinner on the right hand side but i just think its because of the shape of the case to allow for the pushers.

21 January 2010, 09:33 PM	#1
jwalther "TRF" Member Join Date: Oct 2008 Location: Lexington Posts: 459	Difference in width of lugs between crown and opposite side? Question prompted by a couple of responses to my post in the "watch out" section yesterday. . .Are the lugs on the crown side of vintage GMTs, specifically ref. 16750 models, designed to be narrower than those on the opposite side? I noticed this yesterday on my watch, and initially thought it was the product of some fairly agressive polishing or repair work. Some folks have indicated the crown side lugs are actually narrower in width than those on the opposite side. Is that true? Here is my watch. The width of the top flat area of the 4:00 lug is .4-.5mm narrower than the 8:00 lug. Here for comparison is another 16750 with similar lugs.

22 January 2010, 02:39 AM	#2
Tools TRF Moderator & 2024 SubLV41 Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,514	This is normal........ __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

22 January 2010, 02:43 AM	#3
JJ Irani Fondly Remembered Join Date: May 2005 Real Name: JJ Location: Auckland, NZ Watch: ALL SOLD!! Posts: 74,319	Thanks for the heads up. On the watch you've picture, the 0.5 mm difference is indeed noticeable to the naked eye. I'm wearing my TT GMT-IIC now even as I type this, and I cannot see any difference..........unless, of course, the difference is in microns. JJ __________________ Words fail me in expressing my utmost thanks to ALL of you for this wonderful support during my hour of need!! I firmly believe that my time on planet earth is NOT yet up!! I shall fight this to the very end.......and WIN!!

22 January 2010, 04:16 AM	#4
Tools TRF Moderator & 2024 SubLV41 Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,514	The contour into the case is slightly different on each side although the lugs are the same up to the point where they touch the case at the inside.. This shows the tiny amount of extra lug width on the backside.. __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

22 January 2010, 04:45 PM	#8
Andad 2024 SubLV41 Pledge Member Join Date: Nov 2006 Real Name: Eddie Location: Australia Watch: A few. Posts: 37,526	This is a fact that we have known for a long time. If you are in doubt, just measure it for yourself. __________________ E

22 January 2010, 04:57 AM	#5
Speed "TRF" Member Join Date: Aug 2009 Location: USA Posts: 19,706	Great display Larry... Fascinating minutiae. Seriously.

22 January 2010, 03:38 PM	#6
glendon21 "TRF" Member Join Date: Jun 2009 Location: Los Angeles Watch: 116710 Posts: 51	Here is another info:

22 January 2010, 03:41 PM	#7
glendon21 "TRF" Member Join Date: Jun 2009 Location: Los Angeles Watch: 116710 Posts: 51	http://www.network54.com/Forum/20759...+have+numbers-

22 January 2010, 10:33 PM	#10
Rscmaine "TRF" Member Join Date: Feb 2009 Real Name: Nat Parkinson Location: Maine, USA Watch: me pull a rabbit.. Posts: 1,196	I just measure my 16613 with a micrometer and it is identical - I still think that the OP's watch looks like the 4 o clock lug was over ground and now 'curved' at the tip. I must be due for new glasses. __________________ When the alien spaceships actually landed, to everyone's surprise, it turned out that the world's governments had not been hiding anything. They were just as clueless as the rest of us!

23 January 2010, 01:29 AM	#11
shaggy "TRF" Member Join Date: Dec 2008 Real Name: Brett Location: leeds,uk Watch: BLUE ARAB DAYTONA Posts: 691	my TT Daytona (less than a year old and new when i got it) has both lugs thinner on the right hand side but i just think its because of the shape of the case to allow for the pushers.

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