W.a. ggins Type Specimen Book
self-winding mechanisms
CalArts
ELECTRA
1935
Motion of the wearer’s arm, to provide energy to run the watch, making manual winding unnecessary.
W.a. ggins Type Specimen Book
self-winding mechanisms
CalArts
ELECTRA
1935
Motion of the wearer’s arm, to provide energy to run the watch, making manual winding unnecessary.