Jaeger-LeCoultre® 310-5321 Regular Crown CN-LC35
LeCoultre® 310-5321, black plastic winding knob with red top
* 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 crystals may devalue your watch.