Antiquorum Auctioneers Lot soldUSD 0CHF 0 (listed)EstimateUSD 2 177 - 4 354CHF 2 000 - 4 000 (listed) See all lots Omega - Ref. 2210.50.00 Antiquorum - Important Modern & Vintage Timepieces | Geneva, 10 May Movement Unknown Lot number 293 Diameter 45 Location Description OMEGA PLANET OCEAN CHRONOGRAPH STEEL Omega "Seamaster, Planet Ocean Chrono, Co-Axial Chronometer", case No. 78513373, Ref. 2210.50.00. Sold on December 26th, 2012. Fine, self-winding, water-resistant, stainless steel, diver's Chronometer wristwatch with round button chronograph, graduated black bezel for decompression timing, date, helium escape valve and a stainless steel Omega bracelet with deployant clasp. Accompanied by the original Omega box, hang-tag, warranty, pictograms, Chronometer certificate and instruction manual. Three-body, solid, polished, lyre lugs, unidirectional revolving black bezel, graduated to 60 minutes, screw-down crown for the helium escape valve at 10, screw-down protected crown and caseback, sapphire crystal. Matte black with applied luminous steel baton indexes and painted luminous Arabic numerals, applied steel Omega symbol, subsidiary guilloche dials for the seconds, the 12-hour and 30-minute registers, date aperture between 4 and 5. Luminous steel arrow hands with luminous tips. Red-tipped luminous steel center seconds hand. Cal. 3313, rhodium-plated, 37 jewels, co-axial escapement, free-sprung monometallic balance, shock absorber, self-compensating flat balance spring, hack mechanism.