Jaeger LeCoultre® calibre # 9BF balance staff - measurement 223-64-41-31 - Fits calibers: 403, 9BF Breitling® timer crown Style number is 2

Style number is 2

This solder has a flow point of 1580 degrees Fahrenheit (860 degrees Celsius)

Valjoux 320 1/10th second

Peseux 147

Jaeger LeCoultre® calibre # 9BF balance staff - measurement 223-64-41-31 - Fits calibers: 403, 9BF Breitling® timer crown Style number is 2Jaeger LeCoultre balance staff measurement 223 64 41 31, part # 723, calibre # 9BF balance staff measurement 223 64 41 31 to fit Jaeger LeCoultre calibres: 9BF, 403 *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.