The Omega Speedmaster Professional ref. 311.30.42.30.01.001 was introduced in 2007 to mark the Speedmaster's 50th anniversary. At 12 o'clock it carries a special Seahorse '1957' logo, and the stainless-steel caseback is engraved with the limited-series number 0000/5957. It is limited to 5957 pieces.
Shape
Round
Lug Distance
20.00 mm
Material
Stainless Steel
Glass
Sapphire
Diameter
42.00 mm
Water Resistance
50.00 m
Dial Color
Black
