Omega - Speedmaster 57 Omega Co-Axial Chronograph 41.5 mm - Yellow Gold Watch 331.53.42.51.02.001 Ultra-Thin - Mechanical - 34 mm - Rose Gold * Totalising Function

* Totalising Function

Optical Resolution: 3200 DPI

4mm x 43mm 18K yellow gold case

hinged dust covered sapphire crystal back

Omega - Speedmaster 57 Omega Co-Axial Chronograph 41.5 mm - Yellow Gold Watch 331.53.42.51.02.001 Ultra-Thin - Mechanical - 34 mm - Rose Gold * Totalising Function41. 5 mm 18K yellow gold case, transparent back, brushed bezel with with tachymeter scale, scratch resistant sapphire crystal with anti reflective treatment on both sides, silver dial, self winding chronometer Omega 9301 movement with Co Axial Escapement, chronograph, date, and small seconds, approximately 60 hours of power reserve, brown leather strap. Water resistant to 100 m.