Omega 1st Generation Broad Arrow Omega, 'Speedmaster,' No. 15997677, Ref. 2915-2. Made circa 1958. Very fine and very rare, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Omega buckle. Accompanied by a pouch, an Omega service invoice dated 12/28/2009 and used spare parts, including a crystal, push buttons, crown and hands. | Important Collectors' Wristwatches, Pocket Watches & Clocks | New York, 10th June 2010
Omega 1st Generation Broad Arrow Omega, ?Speedmaster,? No. 15997677, Ref. 2915-2. Made circa 1958. Very fine and very rare, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Omega buckle. Accompanied by a pouch, an Omega service invoice dated 12/28/2009 and used spare parts, including a crystal, push buttons, crown and hands., USD 8,000 - 12,000 EUR 6,500 - 9,500 / CHF 9,000 - 13,000Sold: USD 22,800 C. Three-body, polished and brushed, tachometer graduation to 300uph on the steel bezel, screwed-down case back, dust cap. D. Black with luminous painted baton indexes, outer minute/seconds and 1/5th seconds divisions, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous steel broad arrow hands. M. Cal. 321, copper-colored, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 39 mm. Thickness 13 mm.
