Omega 331.10.42.51.03.001 Speedmaster '57 Co-Axial SS Blue Dial (31302)
31302 Omega 331.10.42.51.03.001 Speedmaster '57 Co-Axial Chronograph, 33110425103001, stainless steel on a stainless steel bracelet, automatic co axial Caliber 9300, 60 hour power reserve, chronometer, 12 hour chronograph, blue dial with red accents, sapphire crystal, display back, tachymeter bezel, size 41.5mm, thickness 16.5mm, like new with box and papers dated October 2014.
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More about Omega 331.10.42.51.03.001 Speedmaster '57 Co-Axial SS Blue Dial
This is a stainless steel Omega Speedmaster '57 Co-Axial Chronograph, 331.10.42.51.03.001. It includes an integral Omega stainless steel bracelet with a deployant clasp, and a scratch-resistant sapphire crystal with anti-reflective coating on both surfaces. The two round chronograph pushbuttons function independently and are at 2 and 4 o'clock. It has a sapphire crystal display case back. The 41.5mm diameter solid three-body case is polished and brushed, and the dial is blue PVD ceramic with luminescent epee hands and baton hour index markers. There is a tachymeter engraved around the bezel, and an outer ring with seconds/minutes for the red sweep-center chronograph hand. The date aperture window is at 6 o'clock, the combination 60-minute/12-hour sub dial is at 3 o'clock (giving this watch 2 dials rather than the customary 3) and the small seconds sub-dial is at 9 o’clock. It's water resistant to 100 meters (330 feet), and there is a 60-hour power reserve at full wind. The 16.5mm thick case, dial, and movement are all signed.
The self-winding, automatic Omega Co Axial Caliber 9300 chronograph movement is rhodium-plated with their distinctive Geneva wave arabesque embellishment. It has a column wheel mechanism and Omega's Co-Axial escapement for the enhanced stability, precision, and durability of the movement. There is a patented anti-magnet Silicon balance-spring on a free sprung balance, and two barrels mounted in series. It includes bi-directional automatic winding for increased efficiency.
The Speedmaster ’57 OMEGA Co-Axial Chronograph celebrates its legendary ancestor from 1957 and the dawn of the space race. It's a legendary explorer's watch and was carried on all six lunar missions. The caliber 9300 is the first chronograph of Omega's in-house Co-Axial mechanical movements.
