Omega Moonwatch Speedmaster Professional Chronograph


Omega 310. Speedmaster Professional, 31030425001001, 'First Watch Worn on the Moon', stainless steel on a newly designed stainless steel bracelet with a folding deployant clasp, manual wind Omega co-axial caliber 3861 movement, 12-hour chronograph, 50-hr power reserve, black dial with luminous hour markers, solid caseback, water resistant to 100ft, diameter: 42mm, thickness: 14mm. Like New with Omega box and booklets.

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More about Moonwatch Speedmaster Professional Chronograph

This is a stainless-steel Omega Speedmaster Professional "First Watch Worn on the Moon" 310. This is an updated version for 2021 and it includes an integral stainless-steel Omega link bracelet with a folding deployment buckle and a scratch resistant sapphire crystal. It includes a signed screw down winding crown, round chronograph push buttons, and there is a solid screw down case back engraved with "STAINLESS STEEL - MOONWATCH – PROFESSIONAL – CO-AXIAL – MASTER CHRONOMETER – THE FIRST WATCH WORN ON THE MOON – FLIGHT QUALIFIED BY NASA IN 1965 FOR ALL MANNED SPACE MISSIONS," a high relief "SPEEDMASTER," and the Omega hippocampus is in the center medallion. The 42mm diameter solid three-body barrel-shaped case, gently curved lugs, and flat black fixed ceramic bezel with a white tachymeter scale to 500 UPH, are po9lished/brushed. The dial is black with recessed steel-ringed black subsidiary dials with luminous white Arabic numerals, markers, and indicator hands, including a small constant running seconds register at 9 o'clock, a 12-hour chronograph totalizer at 6 o'clock, and there is a 30-minute chronograph counter at the three o'clock position. It has luminous baton hour markers surrounded by a black raised tier ¼ second/minute chapter ring. It includes white pointed baton hour and minute hands with luminous Super-LumiNova inserts and there is a center sweep second hand with a luminous arrow indicator and a needle tip. It's water resistant to 30 meters/100 feet, it has a 50-hour power reserve at full winding, and the 14mm thick case, dial, and movement are all signed. This Omega Speedmaster Professional "First Watch Worn on the Moon" 310. has the new mechanical manual winding Omega co-axial Certified Master Chronometer (approved by METAS) caliber 3861 (an updated version of the Omega caliber 861/1861 based on the Lemania caliber 1873) chronograph movement. It's rhodium plated with Cotes de Geneve embellishment and it's constructed with 26 jewels, an anti-shock system, and a free-sprung balance with a silicon balance spring. It's resistant to magnetic fields up to 15,000 gauss and the mechanism oscillates at a frequency of 21,600 vph (3Hz). The Omega Speedmaster Professional "First Watch Worn on the Moon" 310. was introduced in 2021, the fifth iteration of the original moon watch designed by Omega's Claude Baillod and Head Creator Pierre Moinat in 1957.

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