Important Collectors' Wristwatches, P...

New York, Mar 10, 2010

LOT 313

Omega Steel Speedmaster Chronograph Omega ?Speedmaster,? No. 20527182, Ref. S 105.003-64. Made in 1963. Fine and rare, water-resistant, stainless steel wristwatch with round button chronograph, registers and tachometer.

C. Three-body, polished and brushed, screwed-down case back with engraved Seahorse medallion, tachometer graduation on the gray bezel to 500 UPH, antimagnetic dust cap. D. Black with luminous baton indexes, outer minute and 1/5th second divisions, subsidiary dials for the seconds, 12-hour and 30-minute registers. Luminous steel baton hands. M. Cal. 321, copper colored, 17 jewels, straight-line lever escapement, monometallic balance with timing screws, shock absorber, self-compensating blued steel Breguet balance spring, index regulator. Dial, case and movement signed. Diam. 39 mm. Thickness 14 mm.