Junghans Meister J820.1, User Manual

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Setting the time
Pull the winder into position C. That stops the watch movement.
To set your watch accurately to the second, it is best to stop the
movement as the second hand is passing the figure 60. You can now
position the minute hand precisely in line with the relevant minute
marker and set the desired time. Press the winder back into position A
to start the second hand.
Features and functions
Calibre J820.1
25
1
3
2
5
4
A B C
1 Hour hand
2 Minute hand
3 Second hand
4 Date display
5 Winder
Setting the date
Pull the winder into position B. You can now set the date by turning it
to the right.
Do not make any changes to the date between 08:00 p.m.
and 02:00 a.m. as the date is automatically advanced by the move-
ment during this period and you could damage the date advance
mechanism.
If the month has less than 31 days, set the date manually
to the first day of the following month.
Technical information
Automatic movement with display for date
Calibre J820.1
Automatic winding mechanism with ball-bearing
25 jewels
28,800 semi-vibrations per hour
42 hour power reserve
Anti-magnetic to DIN 8309
Shockproof: Incabloc
Spring: Carl Haas Spirale
Balance: Gold-plated Glucydur