Jaeger LeCoultre® calibre # 451 friction washer Fits calibers: 451, 464, 484, 494 generic waterproof crowns to fit Baume & Mercier® Genuine Omega® fly back yoke

Genuine Omega® fly back yoke jumper

10mm has a Hole size of 1

fits case number 74000

part number 160

reference SHN-4008

Jaeger LeCoultre® calibre # 451 friction washer Fits calibers: 451, 464, 484, 494 generic waterproof crowns to fit Baume & Mercier® Genuine Omega® fly back yokeJaeger LeCoultre friction washer, part # 498, calibre # 451 friction washer to fit Jaeger LeCoultre calibres: 451, 464, 484, 494 *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.