Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Steel Case - Brushed Bezel - Black Dial - Brown Leather Strap - 331.12.42.51.01.002 Opal black calfskin strap by santoni

black calfskin strap by santoni

glareproofed sapphire crystal

approximately 8 days of power reserve

9 and 12 o’clock

5mm 18K white gold case

Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Steel Case - Brushed Bezel - Black Dial - Brown Leather Strap - 331.12.42.51.01.002 Opal black calfskin strap by santoni41. 5 mm stainless steel case, transparent back, brushed bezel with tachymeter scale, scratch resistant sapphire crystal with anti reflective treatment on both sides, black dial with beige transferred dial indications, self winding chronometer Omega 9300 movement with Co Axial Escapement, chronograph, date, and small seconds, approximately 60 hours of power reserve, brown leather strap. Water resistant to 100 m.