Seamaster
Diver 300M
CO-AXIAL MASTER CHRONOMETER 42 MM
21030422001001
Bracelet: Steel
Case: Steel
Crystal: Sapphire
Dial: Black
Features: DateAnti-magneticBi-directional rotating bezelChronometerHelium escape valveScrew-in crownTransparent case back
Movement: Automatic
Size: 42 mm
Style: Gent
Water resistance: 30 bar / 300 metres / 1000 feet