Longines® Dustproof Crown CN-LONG43 diameter 4.50 mm 2S Series Miyota setting lever spring screw to

setting lever spring screw to fit Jaeger LeCoultre® calibres: 491

part number 045

balance staff - 277-68-34-30 hairspring collet 34 to fit Jaeger LeCoultre® calibres: 9OL

part # 51141

Bearing Jewel 1

Longines® Dustproof Crown CN-LONG43 diameter 4.50 mm 2S Series Miyota setting lever spring screw toLongines Dustproof Crown CN LONG43 diameter 4. 50 mm yellow, normal square with wings and name logo, diameter 4. 50 mm, height of crown only 1. 75 mm, tap 0. 90 mm, total height of crown including pipe 2. 65 mm * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Longines. Longines warranty does not apply to parts supplied by Perrin Supply Ltd. Using generic crystals may devalue your watch.