Some specs:
39mm stainless steel case
Automatic Omega 1151 movement
Ref.3820.53
Full Set
Our opinion:
The Omega Speedmaster Mk40 3820.53 is a bit of an oddball in the collection. Probably why we love it so much! It’s a 39mm Speedmaster watch with the well-known twisted lugs and black tachymeter bezel. A self-winding movement (caliber 1151) provides the time, chronograph, and calendar functions. In those days, Omega wasn’t developing in-house movements and was using the ETA/Valjoux caliber 7751. It’s a full-calendar chronograph movement that ticks at 28,800vph and has a 42-hours of power reserve. These Speedmaster variations are 14mm thick.
In the mid-’90s, Omega advertised this Speedmaster Mk40 3820.53 as “Michael Schumacher’s choice”, since the driver was an ambassador of the brand back then.
For me, the colorful dial and hands are enough to make this one my favorite Speedmasters, as if that wasn’t enough the tritium numerals turned yellow, which add another color, are the cherry on top.
This watch comes as a full set, both boxes and all documents and was originally purchased in Portugal.
Overall condition is very good.
