Jaeger LeCoultre® calibre # 815 regulator for flat hairspring Fits calibers: 815, 825 Felsa 4033 with a BIG DATE window

with a BIG DATE window at the 12 o'clock position

Zenith 18-24 3P

This solder has a flow point of 1530 degrees Fahrenheit (832 degrees Celsius)

Included in this package:

Omega® 13

Jaeger LeCoultre® calibre # 815 regulator for flat hairspring Fits calibers: 815, 825 Felsa 4033 with a BIG DATE windowJaeger LeCoultre regulator for flat hairspring, part # 301, calibre # 815 regulator for flat hairspring to fit Jaeger LeCoultre calibres: 815, 825 *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.