Omega Speedmaster Professional Numbered Edition SS


Omega 311. Speedmaster Professional Moonwatch, 31132403001001 "First Omega in Space" commemorating the 50th anniversary of the first Speedmaster to orbit the earth, numbered edition, stainless steel case on a strap with a matching stainless steel buckle, manual wind Omega caliber 1861 movement, chronograph, black dial, water resistant to 165ft, diameter: 39.7mm, thickness: 14mm. Like New with Omega box and papers dated 2016.

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More about Speedmaster Professional Numbered Edition SS

This is a stainless-steel Omega Speedmaster Professional Moonwatch 50th Anniversary 311. It has a leather strap with a stainless-steel Omega tang buckle and a domed scratch-resistant sapphire crystal with anti-reflective treatment on the inside. There is a signed screw down winding crown, round fluted chronograph push buttons, and a solid screw down case back embossed with the original 1962 Omega Seahorse emblem, as well as "THE FIRST OMEGA IN SPACE-OCTOBER 3, 1962 – NUMBERED EDITION, hallmarks and a serial number. The 39.7mm diameter solid three-body case, gently curved lugs, and flat fixed bezel, are polished/brushed. The flat black aluminum top ring bezel has a tachymeter graduation to 500 UPH. The dial is black with luminous baton hour indices around a white perimeter minute/one-fifth second track. It has polished steel sword hands with luminous inserts, and a center sweep luminous chronograph hand. There are three black recessed subsidiary dials with luminous white Arabic numeral markers and hands, including a constant running small seconds register at 9 o'clock, a 30-minute chronograph totalizer at 3 o'clock, and there is a 12-hour chronograph indicator at 6 o'clock. It has a 48-hour power reserve at full wind, and it's water resistant to 30 meters/165 feet. The 14mm thick case, dial, and movement are all signed. This Omega Speedmaster Professional Moonwatch 50th Anniversary 311. has a mechanical manual winding Omega caliber 1861 (base Lemania 1873) movement that's rhodium-plated. It's constructed with 18 jewels, a shock absorber device, and a straight-line lever escapement. It includes a monometallic balance, a self-compensating flat balance spring, and an index regulator. The mechanism oscillates at a frequency of 21,600 vph (4 Hz). The Omega Speedmaster Professional Moonwatch 50th Anniversary 311. was introduced in a numbered limited edition in 2012 to commemorate the 50th anniversary of the first Speedmaster to orbit the earth.

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