Moderne Kalender- und Datums-Uhren : Funktion - Detais der Kaliber - Reparatur ; Artikelserie aus der Schweizerischen Uhrmacher-Zeitung 1949 - 1953 /
B. Humbert.
- 121 pages : illustrations ; 27 cm
9782970057321 2970057328
Calendar watches--Design and construction. Calendar watches--Repairing. Clocks and watches--Repairing.
Repair Switzerland Calader date mechanisms service Textbook complication(s) advanced practical Wrist Watch