Chrono movement shiojiri seiko cal. VD51 Date on 3 position 2 counters: 60 min at 6 and second at12
Shiojiri seiko movement VD53.2 HIGH VERSION CHR 3 counters Size: 12 34'''
Shiojiri seiko movement VD54.2 HIGH VERSION CHR 3 counters Size: 12 34'''
Shiojiri seiko movement VD57.2 HIGH VERSION CHR 3 counters Size: 12 34'''