Early quartz very rare Derby Swissonic produced in mid 70s. DSCN3826 DSCN3828 DSCN3831 DSCN3838 DSCN3847 DSCN3848 DSCN3854 DSCN3856 DSCN3857 DSCN3863 DSCN3864 DSCN3868 DSCN3873 DSCN3878 DSCN3879 DSCN3882 DSCN3884 DSCN3885 DSCN3889 DSCN3896 DSCN3902 DSCN3906 DSCN3909 DSCN3910 DSCN3920
