Omega Speedmaster Professional Sapphire Back Watch 3572.50

Brand:  Omega
Model:  Professional
Reference:  #3572.50.00 or #3572.50 or #3572-50-00 or #3572-50 or #357250
Diameter:  42mm
Dial Color:  Black with 3 sub-dials
Case Material:  Stainless steel
Bezel Material:  Stainless steel
Case Back:  Display skeleton.  Matching serial numbers on the case and movement.
Movement:  Manual wind.  Matching serial numbers on the movement and case.
Functions:  Hours, minutes, seconds, chronograph
Band:  Tokki Project leather strap with stainless steel Tokki Project tang buckle
Box:  Yes
Papers / Warranty card:  No
Accessories:  N/A
Condition:  The watch has superficial scratches due to normal wear and age.  Overall condition is good.  Running at the time of inspection, however not checked for accuracy nor water resistance/proofness.  An overhaul is always recommended for used watches.
Special Notes:  Omega discontinued the Omega Speedmaster Moonwatch reference 3572.50 in 2003.  Also known as the sapphire back Omega Speedmaster Professional, The Hesalite Sandwich Omega Speedmaster, and the Mullet Omega Speedmaster Professional.
Last Know Retail (Approximate):  NA

In 1848, Louis Brandt founded La Generale Watch Co. in La Chaux-de-Fonds, Switzerland.  In 1903, he changed the name to Louis Brandt et Frere – Omega Watch & Co which was changed once more to the current Omega SA in 1982.  Throughout it’s rich history, Omega was chosen as the official watch for Britain’s Royal Flying Corps in 1917, the US Army in 1918, and most famously for NASA in 1969.  Some of Omega’s most well known models are – Omega Speedmaster Professional, Omega Speedmaster, Omega Seamaster, Omega Constellation, Omega De Ville, Omega Dynamic, Omega Flightmaster, and Omega Railmaster.  Not as widely known, Omega even created a Tourbillon in 1947.