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roger0770 · 15 July 2010, 06:36 PM

i recently learned that rolex uses different sized spring bars for dressy vs. sport models. i know the the spring bars for the lug holes vs no lug holes cases are different, but what's different about them? if you had an older model datejust w/ lug holes, what is the proper spring bar used?

Puffy · 15 July 2010, 10:52 PM

Bars for no lug holes has a ridge at the end, whereas lug holes are smooth...

AndersB · 16 July 2010, 08:21 AM

Pretty sure there's more variation than that. I'm currently engaged in a spring bar hunt that I should recount here on TRF some time. Trying to find spring bars for a lug holes GMT II but the standard ones don't seem to fit the non-SEL 78790 bracelet, at least not the recent one I have.

Tools · 16 July 2010, 08:38 AM

All of the through hole cases use the same spring-bar, part number 23-9291.. There is another part number also (I think 9290) that has a slightly shorter pivot pin so it won't stick all the way out of a thin lug... They are 2mm thick.

The newer ones (without through holes) use a double shouldered spring bar and they are not really interchangeable because of the flanges and the pivots are smaller in diameter... . Most of the professional line use 2mm thick bars, but there are exceptions like the Yachtmaster and Daytona that use 1.8mm diameter bars..........

Perdu · 16 July 2010, 10:40 AM

And it depends on the bracelet - an Oyster, at least on my 16710 GMT is 2mm wide but on the Jubilee you need 1.8mm.

15 July 2010, 06:36 PM	#1
roger0770 Banned Join Date: Nov 2009 Location: On Earth Watch: A Few Posts: 1,510	Spring Bar Question i recently learned that rolex uses different sized spring bars for dressy vs. sport models. i know the the spring bars for the lug holes vs no lug holes cases are different, but what's different about them? if you had an older model datejust w/ lug holes, what is the proper spring bar used?

15 July 2010, 10:52 PM	#2
Puffy "TRF" Member Join Date: Oct 2009 Location: Here and there Posts: 12,485	Bars for no lug holes has a ridge at the end, whereas lug holes are smooth... __________________ Fine Quality is Long Remembered After the Pain of Spending Money is Forgotten

16 July 2010, 08:38 AM	#4
Tools TRF Moderator & 2024 SubLV41 Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,494	All of the through hole cases use the same spring-bar, part number 23-9291.. There is another part number also (I think 9290) that has a slightly shorter pivot pin so it won't stick all the way out of a thin lug... They are 2mm thick. The newer ones (without through holes) use a double shouldered spring bar and they are not really interchangeable because of the flanges and the pivots are smaller in diameter... . Most of the professional line use 2mm thick bars, but there are exceptions like the Yachtmaster and Daytona that use 1.8mm diameter bars.......... __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

16 July 2010, 10:40 AM	#5
Perdu "TRF" Member Join Date: Jul 2007 Real Name: Gary Location: GMT-6 Watch: GMT Posts: 3,350	And it depends on the bracelet - an Oyster, at least on my 16710 GMT is 2mm wide but on the Jubilee you need 1.8mm. __________________ Omega Seamaster 300M GMT Noire Omega Seamaster Aqua Terra 8500 Benson 1937 Sterling Silver Hunter

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16 July 2010, 08:21 AM	#3
AndersB "TRF" Member Join Date: Mar 2009 Location: Europe Posts: 603	Pretty sure there's more variation than that. I'm currently engaged in a spring bar hunt that I should recount here on TRF some time. Trying to find spring bars for a lug holes GMT II but the standard ones don't seem to fit the non-SEL 78790 bracelet, at least not the recent one I have.

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