Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Steel Case - Brushed Bezel - Blue Dial - Brown Leather Strap - 331.12.42.51.03.001 ETNZ41. 5 mm stainless steel case, transparent back, brushed bezel with with tachymeter scale, scratch resistant sapphire crystal with anti reflective treatment on both sides, blue 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.
caliber 3126 / 3840 self-winding movement with hours
36 mm stainless steel case
sun-brushed brown dial dial with diamond hour markers and scratch-resistant sapphire crystal
black dial with blue Arabic numerals and 18K white gold hands coated in white Super-LumiNova
lacquered purple dial with 18K pink gold applied hour-markers and hands
turquoise blue rotating inner bezel with zone from 60 to 15 minutes in white
beige dial with Mega Tapisserie pattern
arabic numerals and white gold royal oak hands with luminescent coating
44 mm stainless steel case with helium escape valve
New features include redesigned 904L steel case and virtually scratch proof Cerachom bezel
black rubber strap with orange stitching and an anti-bacterial treatment
18K Sedna gold bezel
