Accutron® 7700 Waterproof Crown CN-ACC21 Accutron® 7700 BFG® stopwatch (timer) crowns Designed to be used with

Designed to be used with all bushing tools

Valjoux® Hands (Center Seconds)

This can be used with Hermle (FHS) clock movements marked on the plate as 11 cm

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

Universal Verge Kit is bent however must be assembled

Accutron® 7700 Waterproof Crown CN-ACC21 Accutron® 7700 BFG® stopwatch (timer) crowns Designed to be used withAccutron 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.