Jaeger-LeCoultre

Master Control 1000 Jaeger-LeCoultre, “Master Control 1000 Hours Chronograph,” Ref. 145.2.31. Made in the 1990's. Fine and elegant, water-resistant, 18K pink gold wristwatch with date, round button chronograph, registers and tachometer. Three-body, solid, polished, case back with 4 screws and engraved with Master Control logo, concave lugs, sapphire crystal. Matte silver with applied pink gold Arabic numerals, dart indexes and luminous dots, outer 1/5th seconds track and tachometer graduation to 400 UPH, subsidiary dials for the seconds, the 12 hours and 30 minutes registers, aperture for the date between 4 & 5. Luminous pink gold dauphine hands. Cal. 631, mechanical with electric propulsion by a quartz crystal. Dial, case and movement signed. Diam. 34 mm. Thickness 8 mm.