|Reference:||3691.50.31 (aka: 36915031)|
|Name:||Speedmaster Professional Moonwatch Apollo-Soyuz 20th Anniversary|
|Produced:||1995/1 - 1995|
|Limited:||Yes, 200 units|
The ref. 3691.50.31 Speedmaster Professional Apollo-Soyuz 20th Anniversary was introduced in 1995 as a limited edition of 200 pieces commemorating the 20th anniversary of the Apollo-Soyuz space rendez-vous. It features a yellow gold case and a black dial with applied markers and encircled subdials. Its caseback features an engraving commemorating the event.