Speedmaster ´57 Chrono 41.5mm 331.20.42.51.01.002 OMF SS & RG Black Dial Swiss 9301

Size: 41.5mm

Movement: SWISS Omega 9301 automatic movement 28800bph

Functions: Hours, Minutes, Seconds, Date and Chrono

Case: Stainless Steel 316L

Dial: Black Dial

Bezel: 18K Rose Gold

Crystal: Scratch-proof sapphire crystal with AR coating

Strap: Stainless Steel 316L and 18K Rose Gold Bracelet/Black Leather Strap

Clasp: Deployment Clasp

Water resistance: 60 Meters