Jaeger LeCoultre® calibre # 9UO mainspring - measurement 90-8-9 - Fits calibers: 404, 407, 9UO clock mainspring winders Hermle clock chain and Urgos

Hermle clock chain and Urgos clock chain

Choose either the 10 3/4" x 6 3/8" x 1 3/4" compartment box or the 8 1/4" x 4 1/8" x 1 1/4" compartment box from the dimensions tab

To be used with Citizen J015

* Using generic parts may devalue your watch

Jaeger LeCoultre® calibre # 9UO mainspring - measurement 90-8-9 - Fits calibers: 404, 407, 9UO clock mainspring winders Hermle clock chain and UrgosJaeger LeCoultre mainspring measurement 90 8 9, part # 770, calibre # 9UO mainspring measurement 90 8 9 to fit Jaeger LeCoultre calibres: 9UO, 404, 407 *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.