Jaeger LeCoultre® calibre # 9RD mainspring - measurement 110-8-11.5 T end - Fits calibers: 10RO, 408, 417, 428, 461, 471, 472, 473, 474, 475, 9RD, 9RO Rolex® 740 these are crystal retaining rings

these are crystal retaining rings for case ST-2672

Cardinal® reference 1196

in 13 mm length (length of minute) thin baton (N725)

case reference N219

5 mm round domed sapphire crystal

Jaeger LeCoultre® calibre # 9RD mainspring - measurement 110-8-11.5 T end - Fits calibers: 10RO, 408, 417, 428, 461, 471, 472, 473, 474, 475, 9RD, 9RO Rolex® 740 these are crystal retaining ringsJaeger LeCoultre mainspring measurement 110 8 11. 5 T end, part # 770, calibre # 9RD mainspring measurement 110 8 11. 5 T end to fit Jaeger LeCoultre calibres: 9RD, 9RO, 10RO, 408, 417, 428, 461, 471, 472, 473, 474, 475 *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.