Winding buttons for wrist-watches.
STANDARD published on 1.3.1971
Designation standards: DIN 8297:1971-03
Publication date standards: 1.3.1971
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: German technical standard
Category: Technical standards DIN
Kronen für Armbanduhren.