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Vintage 1965 OMEGA Speedmaster 105.012-65
Omega Speedmaster    Caliber 321 Patek 5970  also based on Lemania 2310 Animated .GIF showing both calibers


Technical specifications:


Functions :

Manually wound chronograph


Displays : Hours, minutes, running seconds in 9 o'clock sub-dial,
chrono hours at 6 o'clock sub-dial,
chrono minutes at 3 o'clock sub-dial
chrono seconds hand


Case : Stainless steel case with integrated crown and pushers protectors  
Case dimensions: Length:  48 mm
Width: bezel 39.5 mm, L of the case to the R of crown 43.5mm
Height: 14 mm (with Omega OEM see-through case-back)
Width between lugs: 20 mm
Dial : matte black dial with tritium markers  
Strap : Stainless Steel bracelet or leather strap with tang buckle

Interesting links: 

   Omega Watch Talk Forums - click here     
.  Omega TZ forum - here       OMEGA Watchusek forum forum - here
   Speedmaster-Mission (reference page)
click here
   Watch articles & URL links by Chuck Maddox click here
   Omega Watch Parts, Tools, Bracelets click here
Author and this hobbyist site are not affiliated with or related to OMEGA S.A.
This site is created for entertainment and educational purposes only. All trademarked names, models, press release pictures & designs mentioned herein are the property of OMEGA S.A.


Caliber: Omega caliber 321
(based on Lemania caliber 2310)
Diameter :
Height :

Number of parts :
Power reserve :
Jewels: 17
Beats per Hour:
Beats per Second:

Balance spring :
Balance :

Introduced in:

compare with caliber in Patek 5070

Thread on Patek TZ forum - HERE

Current US MSRP: 2008

Current "market value' of the
vintage model 105.012-65: $3500 - $5500





























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