Jaeger LeCoultre® calibre # 840 escape wheel and pinion, pivoted, for two end-pieces hytrel (plastic) crystal gaskets flat hairspring

flat hairspring

Strong oblique cutting edges gives crisp

Brown background with gold markers

bronze and copper

Jaeger LeCoultre® calibre # 840 escape wheel and pinion, pivoted, for two end-pieces hytrel (plastic) crystal gaskets flat hairspringJaeger LeCoultre escape wheel and pinion, pivoted, for two end pieces, part # 702, calibre # 840 escape wheel and pinion, pivoted, for two end pieces to fit Jaeger LeCoultre calibres: 840 *Perrin Supply Ltd is independent of and not affiliated with or sponsored by Jaeger LeCoultre. Jaeger LeCoultre warranty does not apply to parts supplied byPerrin Supply Ltd. Using generic parts may devalue your watch.