Revolution: The Evolution of the Role...

New York, Apr 17, 2008

LOT 134

Ref. 9420, Chrono Time Tudor, ?Automatic - Chrono Time,? Ref. 9420/0, case made by Rolex, Geneva. Made in the 1980s. Fine, self-winding, water resistant to 100 meters, stainless steel wristwatch with round button chronograph, registers, tachometer, date and a stainless steel Rolex Oyster bracelet. Accompanied by a fitted box and a service invoice.

C. Three-body, polished and brushed, screwed-down engraved case back, black bezel with tachometer graduation to 500 UPH, Triplock winding crown protected by the crown guard, crystal with Cyclops lens. D. Black with applied steel baton indexes and luminous dots, 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 flat balance spring, micrometer regulator. Dial, case and movement signed. Diam. 40 mm. Thickness 14 mm.