• Movement 
  • Lot number 
  • Diameter 
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Jaeger-LeCoultre, "Geophysic, Chronometre", movement 1331928,
case No. 748304. Made in 1958.
Very fine and extremely rare, water-resistant, anti-magnetic to 600 Gauss, indirect
center seconds, stainless steel Chronometer wristwatch with a stainless steel Jaeger
clasp. Accompanied by an extract from the Archives and a Jaeger-LeCoultre box.
Two-body, polished and brushed, lapidated lugs, inclined bezel, screwed
down case back.
Off-white with applied steel baton indexes and Arabic 12 and 6, luminous dots
on the inner bezel, outer minute/second divisions. Luminous steel epee hands.
Cal. P478/BWSbr, rhodium-plated, 17 jewels, lateral lever escapement,
monometallic balance adjusted to fi ve positions and to temperatures, self-compensating
Breguet balance spring, parachute shock absorber, hack mechanism,
swan-neck regulator, anti-magnetic dust cap.