Omega Speedmaster Broad Arrow Co-Axial GMT Stainless Steel / Black Ref. 3881.50.37

The Omega Speedmaster Broad Arrow Co-Axial GMT Stainless Steel / Black 3881.50.37 has a 44.25 mm stainless steel case, and is water resistant to 100 metres.

The ref. 3881.50.37 Speedmaster Broad Arrow is powered by caliber 3603, which adds a GMT function to this automatic chronograph. The 'broad arrow' hands are a hint to the original 1957 Speedmaster. This watch is powered by caliber 3603.

Diameter: 44.25 mm
Water resistance: 100 m
Case: Stainless Steel
Movement: Omega caliber 3603

Specifications

Case and dimensions

Case diameter: 44.25 mm
Lug width: 21 mm
Case shape: Round
Case material: Stainless Steel
Bezel: Tachymeter
Crystal: Sapphire
Case back: Open
Water resistance: 100 m

Dial

Dial colour: Black
Indexes: Stick / Dot
Hands: Arrow

Movement

Calibre: Omega caliber 3603
Movement maker: Omega
Movement type: Automatic
Display: Analog
Power reserve: 55 h
Frequency: 28800 vph
Jewels: 37
Movement diameter: 27 mm
Complications: Additional 24 Hour Hand (adjustable), Chronograph, Co-Axial Escapement, Column wheel, Date, Hours, Minutes and Small Seconds