OMEGA Speedmaster '57 40.5 mm, steel on leather strap — 332.12.41.51.10.001

Speedmaster '57. 40.5 mm, steel on leather strap.

• Reference: 332.12.41.51.10.001
• Gender: Man
• Crystal: Scratch-resistant sapphire crystal with anti-reflective treatment on both sides
• Dial colour: Green
• Functions: Master Chronometer Certified; Chronometer; Transparent caseback; Date; Anti-magnetic; Chronograph; Tachymeter; Small seconds; Time zone function
• Calibre: OMEGA 9906
• Case material: Steel
• Case diameter: 40.5 mm
• Water resistance: 5 bar (50 metres / 165 feet)
• Between lugs: 20 mm
• Strap colour: Green
• Movement: Manual-winding
• Buckle type: Pin buckle
• Buckle material: Stainless steel
• Materials: Sapphire; Stainless steel
• Thickness: 12.99 mm
• Strap surface: Non-grained calf leather
• Strap underside: Non-grained calf leather
• Lug-to-lug: 49.64 mm
• Strap material: Leather strap
• Approximate product weight: 79.25 g
• Power reserve: 60 hours

Product specifications: OMEGA official product page.