Accutron® 7700 Waterproof Crown CN-ACC21 Accutron® 7700 BFG® stopwatch (timer) crowns Jaeger LeCoultre® holding down spring

Jaeger LeCoultre® holding down spring screw - for plate for Pare-choc

Designed to be used with all bushing tools

70 mm (thick) round flat mineral crystal

Valjoux® Hands (Center Seconds)

Accutron® 7700 Waterproof Crown CN-ACC21 Accutron® 7700 BFG® stopwatch (timer) crowns Jaeger LeCoultre® holding down springAccutron 7700 Waterproof Crown CN ACC21 Accutron 7700 steel with LOGO, genuine Accutron 7700, outside diameter 5. 00 mm, tube diameter 2. 50 mm, tap 1. 10 mm, height 2. 60 mm, case reference 7700 * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Accutron. Accutron warranty does not apply to parts supplied by Perrin Supply Ltd. Using generic crystals may devalue your watch.