OMEGA SPEEDMASTER MOONWATCH JAPAN RACING Omega, Speedmaster Professional Japan Racing, Ref. 3570.40.00, movement and case no. 77131668, sold in 2005 A very fine and attractive, water-resistant, manual winding, large, tonneau-shaped stainless steel chronograph wristwatch with grey dial, orange Omega logo, minute and 1/5th second checkerboard pattern over a red ring, 5-minute orange indexes, orange chronograph hand, orange hands for the 12-hour and 30-minute registers, constant second, black bezel with tachymeter scale, stainless steel Omega bracelet with secured folding clasp. Fitted with a caliber 1861, mechanical, hand-wound, rhodium-plated, 18 jewels, straight line lever escapement, monometallic balance, shock-absorbers, index regulator with fine adjustment, dust cap, screwed case back with raised Speedmaster logo, inside back with references 145.0022 & 345.0022, hesalite glass, round chronograph pushers, black bezel with tachymeter scale (later original). Dial, case and movement signed. Diam. 42 mm. Thickness 14.30 mm. Accompanied by a fitted presentation box with outer packaging, guarantee card dated 23.02.2005, Omega Nato strap, additional link, booklet, spare original bezel (damaged). The model is described and illustrated in Moonwatch Only, by Grégoire Rossier & Anthony Marquié, pages 436 and 437, revised and extended Edition 2017. In 2004, Omega re-introduced the racing dial to the Speedmaster Professional, under Ref. ST 145.0022 PIC 3570.00. It was made only for the Japanese market, and only 2'004 pieces were produced. With the limited run and stand out color way the Japanese racing Speedmaster has become one of the more sought after Speedmasters in the after market. The warranty card should also come from Japan, such as the present watch. The model is inspired by the rare Speedmasters of the 1960s with the racing configuration of dial and hands.