Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Steel Case - Brushed Bezel - Silver Dial - Brown Leather Strap - 331.12.42.51.02.002 Rio caliber 2500 Self-winding chronometer movement

caliber 2500 Self-winding chronometer movement with co-axial escapement and rhodium-plated finish

43 mm platinum case with anti-magnetic protection

BRAND Audemars Piguet SERIES Royal Oak MODEL NUMBER 15503BC

BRAND Audemars Piguet SERIES Royal Oak Offshore Selfwinding Chronograph MODEL NUMBER 26412PT

BRAND Audemars Piguet SERIES Royal Oak Perpetual Calendar MODEL NUMBER 26609TI

Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Steel Case - Brushed Bezel - Silver Dial - Brown Leather Strap - 331.12.42.51.02.002 Rio caliber 2500 Self-winding chronometer movement41. 5 mm stainless steel 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 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.