![Jaeger LeCoultre® calibre # 438 triangular stud screw](http://perrinwatchparts.com/cdn/shop/products/LC-4385738-1_4388e988-0ed4-4926-b040-ff9521ffd628_600x600.png?v=1697235683)
Jaeger LeCoultre® triangular stud screw, part # 5738/1, calibre # 438
triangular stud screw to fit Jaeger LeCoultre® calibres: 11L, 11LC, 11LCN, 11LO, 11LSC, 424, 436, 437, 438, 486, 806
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Jaeger LeCoultre®. Jaeger LeCoultre® warranty does not apply to parts supplied by H. & W. Perrin Company Limited. Using generic parts may devalue your watch.