宝玑TYPE XX - XXI - XXII 系列3880ST/H2/3XV腕表全方位多角度视频赏析

Type XXII flyback chronograph 10 Hz in steel with seconds hands on a 30-second basis at the centre. Half-minute totaliser at the centre. High-frequency escapement in silicon. Breguet balance wheel in silicon with timing screws and balance spring in silicon.