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·About 95% of the Seamaster 120 135.027 (the manual winding no date version) sold on ebay are fakes.
Fake kits including dial, hands and complete case are easily available for about $400.
New fake kits just appeared for the 165.027 565 auto date too.
BTW Omega doesn't have parts (dial, case) for these models for more than 20 years anymore.
Fakes are easy to spot:
Bezel have 120 teeth (144 for the real ones)
Lume spot does not have a metal ring, but is under a very small hesalite dome
Dial writings are greyish not bold white
Omega logo is different
Index are yellow painted, and don't look like real tritium
Casebacks have pointed A and Omega symbol is too small (same difference on the 166.027 auto date casebacks)
Inside the saceback for comparaison, fake left
Seamaster 120 auto date 166.027 dial is quite different:
Dial writings are greyish not bold white
More space between Omega logo and text
Indexes are narrower like the no date version
T SWISSMADE T is like the no date version
Date window is flat
Hope it helps
Here is the whole (real) family
166.027 auto date
136.027 manual date
135.027 manual no date
165.027 auto no date
Fake kits including dial, hands and complete case are easily available for about $400.
New fake kits just appeared for the 165.027 565 auto date too.
BTW Omega doesn't have parts (dial, case) for these models for more than 20 years anymore.
Fakes are easy to spot:
Bezel have 120 teeth (144 for the real ones)
Lume spot does not have a metal ring, but is under a very small hesalite dome
Dial writings are greyish not bold white
Omega logo is different
Index are yellow painted, and don't look like real tritium
Casebacks have pointed A and Omega symbol is too small (same difference on the 166.027 auto date casebacks)
Inside the saceback for comparaison, fake left
Seamaster 120 auto date 166.027 dial is quite different:
Dial writings are greyish not bold white
More space between Omega logo and text
Indexes are narrower like the no date version
T SWISSMADE T is like the no date version
Date window is flat
Hope it helps
Here is the whole (real) family
166.027 auto date
136.027 manual date
135.027 manual no date
165.027 auto no date
Edited: