Omega 311. Grey Side of the Moon Ceramic (31468)

31468 Omega 311. Grey Side of the Moon, 31193445199001, grey ceramic case on a strap with a tang buckle, automatic Omega caliber 9300 co axial chronometer, 60 hour power reserve, sandblasted platinum dial with super luminescent hands and hour markers, chromium nitride tachymeter scale, sapphire crystal, display back, water resistant, size 44mm, thickness 13.25mm, Like new with box and papers dated May 2015


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More about Omega 311. Grey Side of the Moon Ceramic

This is a grey zirconium oxide ceramic Omega Co-Axial Chronograph Grey Side of the Moon, 311. It has an alligator strap with an Omega ceramic tang buckle, and a scratch resistant sapphire crystal. There is a snap-on exhibition sapphire display case back engraved with "Grey Side of The Moon - si 14 - zro2/zrc." It has a push/pull winding crown, and round chronograph pushbuttons. The 44.25mm diameter solid grey ceramic case, lyre lugs, and black bezel with a chromium nitride tachometer scale to 500 UPH, are polished. The dial is sandblasted platinum with applied super luminescent baton hour index markers, and luminous 18k white gold "Moonwatch" baton hands. There is a center sweep chronograph hand with a luminous arrow pointer and red needle, and a minute/one-fifth second track. There is a date aperture window at the 6 o'clock position, and there are two recessed subsidiary dials including a constant seconds register at 9 o'clock, and a 12-hour totalizer at 3 o'clock. It has a 60-hour power reserve at full wind, and it's water resistant to 50 meters/165 feet. The 13.25mm thick case, dial, and movement are all signed.

This Omega Co-Axial Chronograph Dark Grey of the Moon, 311., has a mechanical automatic self-winding Omega caliber 9300 co-axial chronograph movement that's rhodium-plated, with fausses cotes embellishment and Geneva waves in arabesque. It's constructed with 54 jewels, 2 barrels, a shock absorber device, and a co-axial escapement. It includes a free-sprung monometallic balance, a self-compensating flat balance spring, and a hacking seconds mechanism for precision time setting. The mechanism oscillates at a frequency of 28,800 vph (4Hz).