Speedmaster '57 Co-Axial Chrono 41.5mm 331.10.42.51.01.001 OMF SS Black Dial Swiss 9300

Size: 41.5mm

Movement: SWISS Omega 9300 Automatic Movement 28800bph

Functions: Hours, Minutes, Seconds and Chrono

Case: Stainless Steel 316L

Dial: Black Dial with White Markers

Bezel: Stainless Steel 316L

Crystal: Scratch-proof sapphire crystal with AR coating

Strap: Stainless Steel 316L Bracelet/Black Leather Strap

Clasp: Deployment Clasp

Water resistance: 60 Meters