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Contents Page
Operating instructions J815.1 15
Technical data 16
General information 17
Water resistance 18
With the crown in position A, you can wind up the hand-winding
movement by turning the crown. Maximum accuracy and power
reserve are guaranteed when the movement is fully wound.
On models with a central second hand (J805), the watch is fully
wound up after approx. 30 turns of the crown.
On models with a small second (calibre J815), the watch is fully
wound up after approx. 20turns of the crown.
Attention: If you feel resistance when winding the watch, please do
not force the crown any further, as this may damage the movement.
Operating elements and functions
Calibre J815.1
1 Hour hand
2 Minute hand
3 Second hand
4 Crown
1