CALIBRES MANUFACTURED BY GENEVA SPORT WATCH
GSW 23.7	CHRONOGRAPH
GSW 23.7-4
GSW 230
GSW 30
GSW 39.8	CHRONOGRAPH
GSW 40-41	DIRECT CENTER SECOND
GSW 50-51	DIRECT CENTER SECOND BM 40 EXCEPT
GSW 60
GSW 630
GSW 70-71	DIRECT CENTER SECOND