mstanga
224
Vintage Omega Seamaster and Speedmaster "plexy" (how to date them)
First of all sorry if I'm boring you with such things that you already know.
I'm trying to realize an Omega topic based on Speedmaster and Seamaster plexy.
There are different kinds of logo on the omega plexy based on which you can determine if it is correct (in term of year of production) for that watch.
(I have read of some very few examples with "no omega logo" too)
The first logo used until about '70 years (until last Speedmaster ref. with cal. 321 or the very first with cal. 861 and until ref. 165.024 in seamaster 300) look at the "feet" of Omega logo, they are straight:


The second one (starting from about '70 years) has little feet of Omega logo "curled":
This message has been edited by mstanga on 2010-10-17 03:26:54 This message has been edited by mstanga on 2010-10-17 03:27:17

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interesting post.
By: G99 : October 17th, 2010-07:36
we all like to look at the case, dial, hands, lume etc, but we often or to be correct mostly forget about the plexi as long as it has a nice original parts one on it. i now have 6 watches to look at to make sure they are the correct plexi's thanks again f...
Ok but...
By: mstanga : October 20th, 2010-12:38
Ciao Simon, thank you for your answer. Would You be so kind to post a photo of these logo? You have to pay attention to the dimension of the omega logo, it must be narrow for the old ones, and wide for the new one. One thing we can say for sure: On speedm...