Jaeger-LeCoultre, "Geophysic, Chronometre", movement 1276496, case No. 748037, Ref. E168. Made in 1958.
Very fine and extremely rare, water-resistant, anti-magnetic to 600 Gauss, indirect center seconds, stainless
steel Chronometer wristwatch. Accompanied by the Extract from the Archives.
Two-body, polished and brushed, lapidated lugs, inclined bezel, screw-down case back.
Off-white with applied steel baton indexes and Arabic 12 and 6, outer minute/second divisions. Luminous
steel dauphine hands.
Cal. P478/BWSbr, enclosed in a Faraday cage, rhodium-plated, 17 jewels, lateral lever escapement,
monometallic balance adjusted to five positions and to temperatures, self-compensating Breguet balance
spring, parachute shock absorber, hack mechanism, swan-neck regulator.