SPEEDMASTER '57 CO‑AXIAL MASTER CHRONOMETER CHRONOGRAPH 40.5 MM Steel on leather strap

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

WATCH CASE & DIAL
Case: Steel
Case Diameter: 40.5 mm
Dial Colour: Red

WATER RESISTANCE
5 bar (50 metres / 167 feet)

FEATURES
Anti-magnetic
Chronograph
Chronometer
Date
Master Chronometer Certified
Small seconds
Tachymeter
Transparent case back
Time zone function
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

WATCH CASE & DIAL
Case: Steel
Case Diameter: 40.5 mm
Dial Colour: Red

WATER RESISTANCE
5 bar (50 metres / 167 feet)

FEATURES
Anti-magnetic
Chronograph
Chronometer
Date
Master Chronometer Certified
Small seconds
Tachymeter
Transparent case back
Time zone function