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www.rodania.com
The scheme below shows the correct interpretation of the different case back inscriptions on your watch.
Case back engraving:
3 ATM: the watch resists to accidental contact with water and normal perspiration.
It means no immersion in water, neither for swimming nor aquatic sports.
WATER RESISTANT 5 ATM: this watch resists to occasional immersion.
An annual control of the sealing gaskets is necessary.
WATER RESISTANT 10 ATM: the watch is suited for all aquatic sports, except diving.
An annual control of the sealing gaskets is necessary.
WATER RESISTANT 20 ATM: the screwed crown, the thickness of the crystal and packings have been especially
designed to withstand pressure of 20 atm. Make sure that the crown is entirely screwed, before you go into the water.
An annual control of the sealing gaskets is necessary.
3 ATM
5 ATM
10 ATM
20 ATM
Case back engraving
www.rodania.com
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INSTRUCTIONS FOR MECHANICAL WATCHES
IMPORTANT INFORMATION
Before wearing or after an extended period of non-use, the movement must be set in motion by winding the crown
clockwise in its normal position.
After each operation, you must always push the crown back down to ensure that your watch remains water-resistant.
VALJOUX 7750
Display and functions
1 Hour hand
2 Minute hand
3 Small second hand
4 Date display
5 Day display
Chronograph
6 Central 60-second counter hand
7 30 minute counter hand
8 12 hour counter hand
9 Tachometric scale (depending on model)
10 Stop/Start push button for timing/chronograph functions
11 Reset push button on counters
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www.rodania.com
Winding
Crown in position I, not pulled out
Manual winding is necessary if you have not been wearing your watch for a considerable period of time. To restart it, you
only need to turn the crown a few times (clockwise), or tilt your watch from side to side a few times. To restore the power
reserve of your watch to more than 42 hours, you need to turn the crown 20 to 25 times (clockwise).
Whenever you wear your watch, the automatic mechanism is wound every time you move your wrist.
Setting the time
Pull the crown into position III; the small second hand (3) stops at this point. Turn the crown clockwise or anticlockwise
until your watch displays the correct time. Whenever the hour hand passes the 12-o’clock position, you will see whether
it is displaying midnight (the date changes) or midday (the date does not change).
Setting the day* and date*
Important: Do not set the date* and/or the day* between 10 pm and 2 am (the movement is in the process of changing
the date). This will seriously damage the movement, and such damage is not covered under the Rodania warranty. Pull the
crown into position II and turn it clockwise to adjust the date (4), turn it counterclockwise to change the day (5)*. During
this operation, your watch continues to function normally so there is no need to correct the time afterwards.
* Depending on model
Chronograph function
Press the Stop/Start push button (10) to start the timing operation. Press it again to stop. The timing restarts when you
press the Stop/Start push button (10) again. Reset to zero by pressing the push button (11).
Tachometer (depending on model)
The speedometer is used to measure the speed of an object. The maximum period to be measured is 60 seconds. Start
the timing operation and stop it again once you have covered a distance of 1 km. The chronograph hand then points at a
numeral on the tachometric scale (9), indicating the speed in km/h.
2


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