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1. Features of the Citizen Promaster 300 m Professional Diver
This watch is a diver’s watch designed to withstand depths down to 300 m (water
pressure equivalent to 30 atm).
1. Titanium Case Offering Outstanding Features
* The watch case employs a titanium base offering superior corrosion resistance,
light weight and high strength, while the surface is specially treated for high
hardness and enhanced scratch resistance.
2. Rotating Bezel with Reverse Rotation Prevention Mechanism to Prevent
Incorrect Operation
* The rotating bezel, which is important for checking diving time, employs a reverse
rotation prevention mechanism that prevents the rotating bezel from being rotated
inadvertently.
3. Screw down locking Crown
* The screw down locking crown can be securely locked in position through the use
of a screw-locking mechanism. What is more, the use of three O-rings results in
enhanced airtightness and water resistance. Furthermore, the screw down locking
crown is located at the 9:00 position to prevent it from obstructing movement of
the wrist or wetsuit.
Contents
1. Features of the Citizen Promaster 300 m Professional Diver .............. 5
2. Names of Components ............................................................................ 6
3. Before Using ............................................................................................. 7
4. Setting the Time and Date ....................................................................... 8
5. Functions of Solar Powered Watches .................................................. 10
6. Care and Handling During Charging .................................................... 14
7. Replacing the Secondary Battery ......................................................... 15
8. Time Required for Charging ................................................................. 16
9. Do not Using this Watch While Diving when ... ................................... 18
10. When Using for Diving .......................................................................... 19
11. Using the Rotating Bezel ....................................................................... 21
12. Adjusting length with the Extension Band
(Model No.BJ8040-01E, BJ8050-08E only) ........................................... 23
13. Precautions ............................................................................................ 24
14. Specifications ......................................................................................... 30
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