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.