Speedmaster ’57 Co‑Axial Master Chronometer Chronograph 40.5 mm 332.12.41.51.03.001

MOVEMENT

• Calibre: OMEGA 9906
• Manual-winding chronograph with column wheel and CoAxial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Silicon balance-spring, 2 barrels mounted in series, time zone function. Central hour, minute and chronograph seconds hands, date function, small seconds counter, 12-hour and 60-minute counter. Rhodium plated finish with Geneva waves in arabesque.
• Power reserve: 60 hours

CRYSTAL

• Scratch-resistant sapphire crystal with anti-reflective treatment on both sides

WATER RESISTANCE

• 5 bar (50 metres / 167 feet)

WATCH CASE & DIAL

• Case: Steel
• Case Diameter: 40.5 mm
• Between lugs: 20 mm
• Thickness: 13.0 mm
• Dial Colour: Blue
• Total product weight (Approx.): 80 g

STRAP

• Strap type: Leather strap
• Strap color: Blue
• Strap surface: Non-grained calf leather
• Strap underside: Non-grained calf leather
• Buckle type: Pin buckle
• Buckle material: Stainless steel

FEATURES

• Anti-magnetic, chronograph, chronometer, date, master chronometer certified, small seconds, tachymeter, transparent case back, time zone function