Omega Speedmaster '57 Co-Axial Chronograph Watch - 41.5 mm Steel And Yellow Gold Case - Silver Dial - Steel Bracelet - 331.20.42.51.02.001 Patrouille suitable for both formal engagements

suitable for both formal engagements and active lifestyles

Rolex calibre 3130 automatic movement

33 mm hammered 18K white gold case

with the Model Number: RM 60-01

matt grey dial with hour markers coated in white Superluminova

Omega Speedmaster '57 Co-Axial Chronograph Watch - 41.5 mm Steel And Yellow Gold Case - Silver Dial - Steel Bracelet - 331.20.42.51.02.001 Patrouille suitable for both formal engagements41. 5 mm stainless steel and yellow gold case, transparent back, 18K yellow gold bezel with tachymeter scale, scratch resistant sapphire crystal with anti reflective treatment on both sides, silver dial with a seconds sub dial at 9 oclock and a 12 hour and 60 minute chronograph recorder on the sub dial at 3 oclock, calibre 9300 self winding movement with a central chronograph seconds hand and a date window at 6 oclock, approximately 60 hours of power