Omega Speedmaster Professional Moon Aventurine Dial


Omega 311. Speedmaster Professional Moonwatch Moonphase, 31130443201001, stainless steel case on an alligator strap with a stainless steel deployment buckle, manual wind Omega caliber 1866 movement, 48 hour power reserve, chronograph with date and moonphase display, black aventurine dial which resembles a star field, luminous hands and indexes, sapphire crystal, display back, size 44.25mm, thickness 14.8mm. Like new with Omega box and papers dated 2014.

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More about Speedmaster Professional Moon Aventurine Dial

This is a stainless steel Omega Speedmaster Professional Moonwatch Moon Phase 311. It has an alligator leather strap with a stainless steel folding double deployment buckle, and a scratch-resistant sapphire crystal with anti-reflective treatment on both sides. There is a screw-down exhibition sapphire display case back engraved with "OMEGA – 100M/330Ft – THE FIRST WATCH WORN ON THE MOON." It has a screw-down winding crown with round chronograph pushbuttons and two correctors on the left side case band. The 44.25mm diameter solid three-body case, straight lugs, and black tachymeter bezel to 500 units are brushed/satin with polished finished beveled edges. The dial is black aventurine resembling a shimmering star field. It has applied faceted luminous steel hour index markers around a printed white minute/one-fifth second track, luminous hands and indexes, and a center sweep chronograph hand with a luminous arrow pointer. There are three subsidiary black dials including a running seconds register at 9 o'clock, a 12-hour chronograph totalizer at 6 o'clock, and a 30-minute totalizer at 3 o'clock. There is a Moon Phase counter located at the 12 o'clock position, encircled by a silver date ring with a red crescent-shaped indicator on the hand. It has a 48-hour power reserve at full wind, and it's water resistant to 100 meters/330 feet. The 14.8mm thick case, dial, and movement are all signed. This Omega Speedmaster Professional Moonwatch Moon Phase 311. has a mechanical manual winding Omega caliber 1866 movement. It's based on the famous Omega Speedmaster caliber 1861, but with an additional moon phase and date indicator function. It's rhodium-plated, and 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 Omega Speedmaster Professional Moonwatch Moon Phase 311. was introduced at BaselWorld in 2012.

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