16 17
Setting the time
Pull the crown into position B. Turn the crown to set the time. After
setting the time, push the crown back into starting position A.
Technical data
Calibre J815.1
Hand-winding movement with small second at 6 o’clock
17 jewels
21,600 vibrations / hour
Power reserve up to 42 hours when fully wound
Anti-magnetic to DIN 8309
Shock-proof Nivachoc
Spring: Anachronic
Balance: Nickel gold-plated
Calibre J805.1
Hand-winding movement with central second hand
17 jewels
28,800 vibrations / hour
Power reserve up to 42 hours when fully wound
Shock-proof Incabloc or Nivachoc
Spring: Nivarox
Balance: Nickel gold-plated
General information
External inuences can aect the watch’s waterproof qualities, which
may let in moisture. We therefore recommend that you have your
watch regularly inspected by your Junghans specialist. Other servicing
tasks or wrist strap repairs should also be done by your Junghans
specialist. Your watch is tted with a quality wrist strap that has
undergone multiple inspections in our factory. If, however, you decide
to change the strap, please t a new one of the same quality, preferably
an original Junghans wrist strap. Watch and wrist strap can be cleaned
with a dry or slightly moistened cloth.
NB: Do not use che mical cleaners (e.g. benzine or paint thinners). These
may harm the surface.
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