Jaeger LeCoultre® calibre # 497 balance staff - for shock protected device Fits calibers: 497, 497/1, 817, 817/1 A. Michel 382 Genuine Omega® oscillating weight bearing

Genuine Omega® oscillating weight bearing mounted

using a 362 battery with hand dimensions 120/70/20 (hour/minute/sweep second)

The tips are slightly thicker and sturdier than those of pattern 1

these are crystal retaining rings for case ST-2672

Citizen G430M

Jaeger LeCoultre® calibre # 497 balance staff - for shock protected device Fits calibers: 497, 497/1, 817, 817/1 A. Michel 382 Genuine Omega® oscillating weight bearingJaeger LeCoultre balance staff for shock protected device, part # 728, calibre # 497 balance staff for shock protected device 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.