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Juggernaut · 16 December 2009, 03:11 AM

Besides the independently adjustible 24 hour hand, is there any other differences between the 2 models?? I find it interesting the Rolex put them BOTH out simuntaneously for a few years.

What about case thickness?, weight?, bezel ratcheting, dial? etc. etc.

Juggernaut · 16 December 2009, 03:26 AM

Ah, I'm learning fasting that you guys can respond...!
The GMT I (16700) has the quick set date feature since it's not a Jump hour movement.
Also, the GMT II has the newer and better solid end link bracelet, vs the older and more flimsy hollow end link of the GMT.

Tools · 16 December 2009, 04:58 AM

Well... Yes..and no...

the watches are identical except for the movement.. Yes, the later GMT Master did have a quickset date and synced hands.. But that is a function of the movement and the entire reason for the GMT II designation... II's got the adjustable hour hand.

As for the bracelet........ all GMT and GMT II's wore the same bracelet... It's just that the GMT Master was discontinued in 1999, a year before the SEL bracelet came out

The GMT 16700 can wear the SEL bracelet too..

Tools · 16 December 2009, 05:13 AM

Here is an interesting feature of SEL cases.. They have a groove machined in between the lugs to catch the back of the SEL link.. the early bat-wing end-links don't use this groove..

Watches without the groove will not accept an SEL bracelet without work, and one of the reasons the Sub 14060 (and early GMT's etc) still doesn't have SEL's.

mldaytona · 16 December 2009, 05:17 AM

Thanks Larry. Very informative.

Juggernaut · 16 December 2009, 06:46 AM

Very Interesting.
Thank you very much.
anyone else?

DSJ · 16 December 2009, 01:27 PM

Quote:

Originally Posted by Tools

Here is an interesting feature of SEL cases.. They have a groove machined in between the lugs to catch the back of the SEL link.. the early bat-wing end-links don't use this groove..

Watches without the groove will not accept an SEL bracelet without work, and one of the reasons the Sub 14060 (and early GMT's etc) still doesn't have SEL's.

What? I'm lost.

Damage Inc. · 16 December 2009, 01:33 PM

Ummmmmmmmm...the 1675's (& perhaps the 16700 & 16750?) had matte dials while the 16710 (& 116710 obviously) had a glossy dial. Not sure about the 'Fat Lady' 16760.

Also, the 1675's went through 2 different 24 hour hands (perhaps even 3)...the original 'small' hand, the larger hand and the 'all red' hand. And then of course we have the green hand on the IIc...

As for the bezel- the 1675 (not sure about the others) had a smooth turning 'push lock' bezel with no stops. The 16710 had the 120 click bezel, and the IIc...24 clicks.

I do love the GMT's!

Juggernaut · 16 December 2009, 03:14 PM

I'm starting to like them too. I'm thinking my way through flipping my M series Black Exp II to get a pre-ceramic GMT

Tools · 16 December 2009, 03:24 PM

Quote:

Originally Posted by DSJ

What? I'm lost.

There is a small shelf machined in the back of the case here... The end-link of an SEL Bracelet will fit into that groove and be somewhat flush on the back of the case.. The Hollow End link has two big flat "bat-wings" that just rest against the back of the case and do not need the machined groove..

caseSELgrove copy.jpg

Z-Sub · 16 December 2009, 03:40 PM

Never noticed it and thanks Larry

16 December 2009, 03:11 AM	#1
Juggernaut "TRF" Member Join Date: Sep 2009 Posts: 901	GMT vs.GMT II Besides the independently adjustible 24 hour hand, is there any other differences between the 2 models?? I find it interesting the Rolex put them BOTH out simuntaneously for a few years. What about case thickness?, weight?, bezel ratcheting, dial? etc. etc.

16 December 2009, 04:58 AM	#3
Tools TRF Moderator & 2024 DATE-JUST41 Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,090	Well... Yes..and no... the watches are identical except for the movement.. Yes, the later GMT Master did have a quickset date and synced hands.. But that is a function of the movement and the entire reason for the GMT II designation... II's got the adjustable hour hand. As for the bracelet........ all GMT and GMT II's wore the same bracelet... It's just that the GMT Master was discontinued in 1999, a year before the SEL bracelet came out The GMT 16700 can wear the SEL bracelet too.. __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

16 December 2009, 05:13 AM	#4
Tools TRF Moderator & 2024 DATE-JUST41 Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,090	Here is an interesting feature of SEL cases.. They have a groove machined in between the lugs to catch the back of the SEL link.. the early bat-wing end-links don't use this groove.. Watches without the groove will not accept an SEL bracelet without work, and one of the reasons the Sub 14060 (and early GMT's etc) still doesn't have SEL's. __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

16 December 2009, 01:33 PM	#8
Damage Inc. "TRF" Member Join Date: Oct 2009 Real Name: Vic Location: Colorado, USA Watch: Mechanical!! Posts: 807	Ummmmmmmmm...the 1675's (& perhaps the 16700 & 16750?) had matte dials while the 16710 (& 116710 obviously) had a glossy dial. Not sure about the 'Fat Lady' 16760. Also, the 1675's went through 2 different 24 hour hands (perhaps even 3)...the original 'small' hand, the larger hand and the 'all red' hand. And then of course we have the green hand on the IIc... As for the bezel- the 1675 (not sure about the others) had a smooth turning 'push lock' bezel with no stops. The 16710 had the 120 click bezel, and the IIc...24 clicks. I do love the GMT's! __________________ "Science tastes like vomit." Kari "Mythbusters hottie" Byron Z-serial GMT IIc 2.92M serial 1675 Pepsi V-serial 16610LV

16 December 2009, 03:40 PM	#11
Z-Sub 2024 Pledge Member Join Date: Jun 2008 Location: So Cal, USA Watch: Not a ONEWatch Man Posts: 7,383	Never noticed it and thanks Larry __________________ SS Submariner Date "Z" SS SeaDweller "D" SS Submariner "Random" TT Blue Submariner "P" SS GMT-Master ll "M", Pepsi Pam 311, 524, 297

16 December 2009, 03:26 AM	#2
Juggernaut "TRF" Member Join Date: Sep 2009 Posts: 901	Ah, I'm learning fasting that you guys can respond...! The GMT I (16700) has the quick set date feature since it's not a Jump hour movement. Also, the GMT II has the newer and better solid end link bracelet, vs the older and more flimsy hollow end link of the GMT.

16 December 2009, 05:17 AM	#5
mldaytona "TRF" Member Join Date: Feb 2008 Real Name: Michael Location: USA Watch: me go all out Posts: 1,183	Thanks Larry. Very informative.

16 December 2009, 06:46 AM	#6
Juggernaut "TRF" Member Join Date: Sep 2009 Posts: 901	Very Interesting. Thank you very much. anyone else?

16 December 2009, 03:14 PM	#9
Juggernaut "TRF" Member Join Date: Sep 2009 Posts: 901	I'm starting to like them too. I'm thinking my way through flipping my M series Black Exp II to get a pre-ceramic GMT

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