Jaeger LeCoultre® calibre # 17UOC mainspring - Fits calibers: 17UOC, 17UOV, 414, 415, 429 hermle movements 241 Bim Bam Chime Unit 13

Bim Bam Chime Unit 13 1/8" has 3 steel chime rods mounted on a base

Dutch Clock Weight measures 60 mm in diameter and weighs 1

pkg of 3 (Individual Sizes) to fit Rolex® replacement for 29-298-8

* Perrin Supply Ltd is independent of and not affiliated with or sponsored by IWC®

Internal dimensions of tank: 23

Jaeger LeCoultre® calibre # 17UOC mainspring - Fits calibers: 17UOC, 17UOV, 414, 415, 429 hermle movements 241 Bim Bam Chime Unit 13Jaeger LeCoultre mainspring, part # 770, calibre # 17UOC mainspring to fit Jaeger LeCoultre calibres: 17UOC, 17UOV, 414, 415, 429 *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.