OMEGA REF. 178-0516 SEAMASTER CHRONOGRAPH STEEL Omega, Seamaster Professional, Chronograph, 2004 Limited Olympic Collection, No. 78037618, Ref 28945. Made in 2004, sold July 14th, 2004. Fine, self-winding, stainless steel Chronometer diver's wristwatch with date, round button chronograph, and a stainless steel Omega link bracelet with deployant clasp. Accompanied by the original fitted box, instruction booklet, guarantee, hang tag, original invoice, 2 spare straps with an Omega steel buckle and deployant clasp. Three-body, polished and brushed, lyre lugs, anti-magnetic iron dust cover, unidirectional revolving black bezel with faceted edges, screwed-down case back (with Seamaster and Olympic logos), buttons and crown, helium escape valve at 10, sapphire crystal. Black with luminous Breguet numerals, subsidiary dials for the seconds, 12-hour and 30-minute registers, outer 1/5th seconds track with 5-minute/second Arabic markers, aperture for the date at 6. Luminous steel arrow hands. Cal. 3303, rhodium-plated, fausses cotes decoration, 33 jewels, monometallic balance, shock absorber, self-compensating flat balance spring.