Jaeger LeCoultre® calibre # 9UO mainspring - measurement 90-8-9 - Fits calibers: 404, 407, 9UO clock mainspring winders Envelope measures 5-3/4" x 3-1/8"

Envelope measures 5-3/4" x 3-1/8" and is packed 1000 to a box

To be used with Citizen J015

Hermle clock chain and Urgos clock chain

* Using generic parts may devalue your watch

case number Series 2000

Jaeger LeCoultre® calibre # 9UO mainspring - measurement 90-8-9 - Fits calibers: 404, 407, 9UO clock mainspring winders Envelope measures 5-3/4" x 3-1/8"Jaeger 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.