This caliber JLC 899 was found in a Jaeger-LeCoultre Master Control Date in 18K gold (reference 176.2.40.S aka Q1542520). Each caliber 899 is said to be tested rigorously for 1,000 before leaving the factory.
34 Jewels
Manufacturer Seagull Caliber Number TY2542, ST2542 Type Automatic Lignes 13.5”’ Diameter 30.4mm Height 7.4mm Jewels 34 Beats per hour 21,600...
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