Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Steel Case - Brushed Bezel - Black Dial - Brown Leather Strap - 331.12.42.51.01.00241. 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.

diamond lugs

2 diamond hour markers and Arabic numerals

41mm 18k red gold case

the 4131 manufacture Rolex perpetual movement orchestrates a mechanical chronograph

09 mm thick

Its water resistance up to 100 meters ensures reliability in various environments

grey structured rubber strap with orange stitching and lining

while the water resistance of up to 100 meters offers both practicality and poise

frames a captivating Rose Colour Diamond dial adorned with diamond hour markers and minute markers encircling the periphery

mat black dial with rhodium-plated upper layer indexes

Crystal:    Scratch-resistant sapphire

silvered opaline dial with snailed gold counters