Ref. 9430, Chrono Time Tudor, 'Automatic - Chrono Time,' Ref. 9430/0, case made by Rolex, Geneva. Made in 1978, sold May 1, 1979. 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 the original box, Guarantee document (now void) and instruction booklet. | Revolution: The Evolution of the Rolex Sport Watch | New York, 17th April 2008
Ref. 9430, Chrono Time Tudor, ?Automatic - Chrono Time,? Ref. 9430/0, case made by Rolex, Geneva. Made in 1978, sold May 1, 1979. 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 the original box, Guarantee document (now void) and instruction booklet., USD 3,500 - 4,500 EUR 2,300 - 3,000Sold: USD 6,000 C. Three-body, polished and brushed, screwed-down engraved case back, steel bezel with tachometer graduation to 500 UPH, Triplock winding crown protected by the crown guard, crystal with Cyclops lens. D. Bicolor silver and black with applied steel baton indexes and luminous dots, outer 1/5th seconds scale, subsidiary dials for the seconds, the 30-minute and 12-hour registers, aperture for the date. Luminous steel baton hands. M. Cal. T 7750, rhodium-plated, 25 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, micrometer regulator. Dial, case and movement signed. Diam. 40 mm. Thickness 14 mm.
