Aste Bolaffi Lot soldUSD 1 751 - 3 501EUR 1 500 - 3 000 (listed)EstimateUSD 1 751 - 3 501EUR 1 500 - 3 000 (listed) See all lots Omega Speedmaster Aste Bolaffi - Watch Auction - Milan, October 21 | Milano, 21 October Summary Movement Handwinding Year of manufacture 1970 Lot number 108 Case material Steel Diameter 41mm Bracelet material Steel Location Watch type Men/Unisex Description OMEGA SPEEDMASTER MARK II REF. 145.014 “BROWN", CIRCA 1970 Two body tonneau stainless-steel case, inner tachymetric scale up to 500 units, hooded lugs, screw back with engraved Seahorse logo, stamped inside DDE BR. + 2750/67, Omega crown, round pushers. Omega steel bracelet reference 1162 with deployant claps, end links 173. Tropical black dial, signed, luminous bâton indexes, minutes division and 1/5th seconds fraction, engine turned subdials for seconds, 30-min and 12-hour counters. White luminescent bâton hands, arrow chronograph hand. Signed manual winding movement, copper-plated caliber 861, n. 28420450, 17 jewels, cam system, lever escapement, monometallic balance, flat hairspring, Incabloc shock-absorber, micrometer regulator. Size: 41 x 45 mm Note: working.