Important Modern & Vintage Timepieces

Geneva, May 13, 2012

LOT 197

TUDOR REF. 9420 CHRONO TIME Tudor, ?Automatic - Chrono Time,? case No. 871397, Ref. 9420/0, case made by Rolex, Geneva. Made in the 1980s. Fine, self-winding, water resistant, stainless steel wristwatch with round button chronograph, registers, tachometer, date and a stainless steel Tudor Oyster bracelet.

C. Three-body, polished and brushed, screwed-down case back and buttons, black bezel with tachometer graduation to 500 UPH, Triplock winding crown protected by the crown guard, crystal with cyclops lens. D. Bicolor anthracite and black with luminous baton indexes, outer 1/5th seconds scale with 5 minute/second red Arabic markers, subsidiary dials for the seconds, the 30-minute and 12-hour registers, aperture for the date. Luminous black baton hands. M. Cal. T 7750, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, selfcompensating fl at balance spring, index regulator. Dial, case and movement signed. Diam. 40 mm. Thickness 14 mm. Approx overall length 165 mm