Omega Ref. 3570.50

OMEGA SPEEDMASTER JAPAN STEEL Omega, "Speedmaster Professional", case No. 77178968, Ref. 3570.50. Made in a numbered edition in 2004 for the Japanese market. Fine and rare, asymmetric, water-resistant, stainless steel wristwatch with round button chronograph, registers, black bezel with tachometer and a stainless steel Omega bracelet with deployant clasp signed "Speedmaster Professional". Accompanied by an Omega box, instruction booklet and warranty card. Three-body, polished and brushed, lyre lugs, black tachometer bezel, crown and pusher with integrated guard, screw-down case back engraved: "Flight-Qualified By NASA For All Manned Space Missions - The First Watch Worn On The Moon". Four-color, gray, white, red and orange with luminous white baton indexes, outer minute/seconds and 1/5th seconds divisions, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous white baton hands, orange seconds hand. Cal. 1861, rhodium-plated, 18 jewels, straight-line lever escapement, monometallic balance, shock absorber, selfcompensating flat balance spring. Notes Dial, case and movement signed. DIAM. 42 mm. THICKNESS 14 mm. Approx. overall length 172 mm. The original Speedmaster Japan launched in 2004 was commercialized under reference 3570.40. This model is a 3570.50 that was fitted with the exotic dial.