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Old 22 November 2015, 05:30 AM   #1
The moose
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Differences between 1675 and 16750?

Besides the obvious with quick set vs. not quick set, what other differences is there between the two models? I know that some newer 16750 has the WG edge on the lume dots but what else is different...

Different rehaut height maybe?
Different composition when it comes to text on the dial?

Please help me with what ever knowledge you have!

Thanks,

The moose
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Old 22 November 2015, 05:42 AM   #2
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The 1675 has the slower beat 1575 movement, while the 16750 has the faster beat (28,800 bph) 3075 movement.
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It is a known issue that all of the SubC and GMTIIC's movement have reliability issues. Something to do with a spring that was introduced. I expect this to further increase the value of older Submariners and GMTIIs.
Heck why can't I start my own internet rumor and raise the prices of MY WATCHES!!!!
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Old 22 November 2015, 05:46 AM   #3
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In addition to the different movement including the quick set, the hand stack order is different. You'll find the 24hr hand and 12hr hand switched places.

You noted the gloss dial switchover (1984-ish), but then they also added "Date" to "Oyster Perpetual" below the Rolex logo at some point. Other differences in the case and dial are pretty minor. Of course, you can get into the bracelet differences regarding the switch from folded links to solid links around '77.
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Old 22 November 2015, 07:32 AM   #4
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So the case construction and thickness is pretty much the same?
Are 7836 and 78360 the correct bracelets for these models? (7836 for 1675 and 78360 for 16750)
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Old 22 November 2015, 07:33 AM   #5
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On the rootbeer, you have a sunburst dial on 16753 vs. matte brown 1675/3. Also I think different colored inserts available.
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Old 22 November 2015, 08:49 AM   #6
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Quote:
Originally Posted by The moose View Post
Are 7836 and 78360 the correct bracelets for these models? (7836 for 1675 and 78360 for 16750)
Generally speaking, yes, but there should be late 1675s that have the solid links 78360. The 16750 started production around 1979 serials (according to the serial number databases, which I guess have a degree of flexibility), which leaves a couple of years after the solid link switchover.
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Old 22 November 2015, 09:48 AM   #7
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Quote:
Originally Posted by shane0mack View Post
Generally speaking, yes, but there should be late 1675s that have the solid links 78360. The 16750 started production around 1979 serials (according to the serial number databases, which I guess have a degree of flexibility), which leaves a couple of years after the solid link switchover.
Good info Shane.

Additionally:

The fliplock 93150 Oyster was also available on the 16750 GMTs as well as the 62510 Jubilee. If you have a GMT 16750 that was sold new in the USA, along with the original warranty paper, the bracelet code is the last four numbers in the style number which can be found in the top right hand corner of the warranty paper. The 78360 Oyster can be found as early as 1976 on the GMT 1675.
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Old 22 November 2015, 04:20 PM   #8
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16750 never had solid end links to my knowledge nor 1675's.
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Old 23 November 2015, 05:55 AM   #9
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Anyone with input on case and rehaut height differences between 1675 and 16750?
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Old 23 November 2015, 10:08 AM   #10
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16750 never had solid end links to my knowledge nor 1675's.
I believe in the other post he was referring to the bracelet having solid links and not solid the end links.
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Old 23 November 2015, 12:29 PM   #11
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I believe in the other post he was referring to the bracelet having solid links and not solid the end links.
That ... makes more sense.
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Old 23 November 2015, 10:40 PM   #12
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Quote:
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Anyone with input on case and rehaut height differences between 1675 and 16750?
The cases and rehauts should be largely similar. At least, not enough of a difference for it to really matter in terms of wearing. The 16760 is going to be the case that wears a little thicker, hence the "Fat Lady" moniker.
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Old 23 November 2015, 11:06 PM   #13
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Quote:
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The cases and rehauts should be largely similar. At least, not enough of a difference for it to really matter in terms of wearing. The 16760 is going to be the case that wears a little thicker, hence the "Fat Lady" moniker.
Ok, thanks!
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