Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Yellow Gold Case - Brushed Bezel - Silver Dial - Brown Leather Strap - 331.53.42.51.02.001 12 Solid Case Back Crown Screw

Solid Case Back Crown Screw Down Bezel Set with Diamonds Movement Automatic Dial Color Gray Dial Markers Set with Diamonds Band Material White Gold Clasp Tang Buckle Gender Ladies Watch Style Dress Watch

or simply reflect changes in ambient conditions that make the wrist expand or contract

Elevate your style with this Vacheron Constantin masterpiece and experience the prestige that accompanies wearing a watch from one of the world's most esteemed brands

Caliber Omega 8500 self winding movement with co-axial escapement

Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Yellow Gold Case - Brushed Bezel - Silver Dial - Brown Leather Strap - 331.53.42.51.02.001 12 Solid Case Back Crown Screw41. 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.