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Old 1 September 2010, 07:03 AM   #1
alleycat20
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14 k GMT master

I have an older rolex in 14 k gold. When did rolex change from 14k to 18k? No is 7085581 ref. 16750 What is the age of this watch?
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Old 2 September 2010, 12:44 AM   #2
slcbbrown
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I believe the 7M number puts the watch at about 1969-70.
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Old 2 September 2010, 11:33 AM   #3
Michael M.
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Sounds correct
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Old 2 September 2010, 12:02 PM   #4
whiskyguy
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7.0 million is 1981-82

Certainly not 69-70

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Old 2 September 2010, 01:10 PM   #5
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I remember those days when ADs still sold 14K Rolex watches. 80s will be about right.
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Old 2 September 2010, 02:00 PM   #6
springer
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The 1980's were 18k GMT's. I believe the switch to 18k from 14k was around 1976.
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Old 3 September 2010, 06:00 AM   #7
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Curiosuly, did the 18K scratch much more easily, and was this the reason for change?
Or was is just a cost cutting measure?
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Old 4 September 2010, 01:28 AM   #8
jrexgis
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is it really true that they switched from 14k to 18k ? that must have sucked for previous buyers..
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Old 4 September 2010, 03:28 AM   #9
adam78
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Quote:
Originally Posted by whiskyguy View Post
Certainly not 69-70

Cheers
whiskyguy is correct, it's from the early '80s. The 16750 (actually this solid gold model would be a 16758) wasn't introduced until 1981 or so. It should also have a quick-set date and sapphire crystal (only the steel 16750 retained the acrylic crystal of the 1675).
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Old 4 September 2010, 04:18 AM   #10
RRGHOST1
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My GMT TT "Rootbeer" on a Jubilee was a 14k and i bought that in 1985.
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Old 22 September 2010, 08:00 PM   #11
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pls post some picture...
i would like see the watch ;)
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Old 27 March 2011, 12:45 PM   #12
oldtimer12
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I have a question I have a 1970 gmt master and on the back it has stamped 18k so is it 18k or 14k? thanks
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Old 27 March 2011, 08:08 PM   #13
Rolex116520
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Maybe it depends for which market the watch was originally made for ? Germany used mainly 14K gold for jewelry and watches up till the '80 s .
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Old 27 March 2011, 09:49 PM   #14
HL65
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Definitely 14k in the 80's as I bought my first TT DJ and it was SS and 14kt Gold in the mid 80's.
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Old 27 March 2011, 11:29 PM   #15
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Here is a 2.8M serial 18K.
The clasp code is tamped 1/72.
Attached Images
File Type: jpg 70gmtd.jpg (87.5 KB, 101 views)
File Type: jpg 70gmts.jpg (96.4 KB, 99 views)
File Type: jpg 70gmto.jpg (70.4 KB, 100 views)
File Type: jpg 70gmtp.jpg (118.3 KB, 100 views)
File Type: jpg 70gmtl.jpg (39.1 KB, 100 views)
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Old 27 March 2011, 11:39 PM   #16
HL65
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I am guessing as stated it depends on watch and market. Again I know my early 80's Rolex was 14kt gold but that was again a DJ. Nice GMT you have there!!
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Old 28 March 2011, 02:35 AM   #17
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Quote:
Originally Posted by SteelerFan1965 View Post
Definitely 14k in the 80's as I bought my first TT DJ and it was SS and 14kt Gold in the mid 80's.
So that was the beginning bought my first in 81.
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Old 28 March 2011, 02:40 AM   #18
lhanddds
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Originally Posted by Brushpup View Post
Curiosuly, did the 18K scratch much more easily, and was this the reason for change?
Or was is just a cost cutting measure?
The 18K is softer, but prettier. I doubt it was less expensive because it has more gold in the alloy.
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