Longines® Threaded Waterproof Crown CN-LONG91, diameter 5.00 mm LeCoultre® 468 Jaeger LeCoultre® friction spring for

Jaeger LeCoultre® friction spring for alarm bolt

case numbers: J185

90 mm (thick) flat mineral crystal with black trim and white numbers “TACHOMETER”

10 x 243 (9 1/2  ")

70 mm (height) round plastic crystal with gold colour ring

Longines® Threaded Waterproof Crown CN-LONG91, diameter 5.00 mm LeCoultre® 468 Jaeger LeCoultre® friction spring forLongines Threaded Waterproof Crown CN LONG91, diameter 5. 00 mm yellow threaded crown, fits tube with outside thread, wings and name logo, diameter 5. 00 mm, height of crown only 2. 80 mm, total height of crown, 6. 95 mm, opening diameter of tube crown fits 4. 00 mm, tap 0. 90 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