The Speedmaster Professional Moonwatch Calibre 321 reference 311.93.42.30.99.001, introduced in 2019, has a platinum case, ceramic bezel insert, and an onyx dial with meteorite subdials. It is powered by a modern reissue of calibre 321.
Shape
Round
Lug Distance
20.00 mm
Material
Platinum
Glass
Sapphire
Diameter
42.00 mm
Water Resistance
50.00 m
Dial Color
Black
Material
Alligator
