Jaeger LeCoultre® calibre # 497 balance with flat hairspring, regulated Fits calibers: 497, 497/1, 817, 817/1 omega 490 Choose from the available options

Choose from the available options

clutch wheel

08 x 254 (10")

white dial with blue flowers and black Arabic numerals

ring mounting

Jaeger LeCoultre® calibre # 497 balance with flat hairspring, regulated Fits calibers: 497, 497/1, 817, 817/1 omega 490 Choose from the available optionsJaeger LeCoultre balance with flat hairspring, regulated, part # 721, calibre # 497 balance with flat hairspring, regulated to fit Jaeger LeCoultre calibres: 497, 497 1, 817, 817 1 *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.