Thank you for your purchase of this Citizen watch. Before using the watch, read this instruction manual carefully to ensure correct use. After reading the manual, store it in a safe place for future reference. Visit the Citizen website (http://www.citizenwatch-global.com/) to view visual guides for operation of your watch.
Safety precautions Table of contents This manual may contain certain safety advisories. Your watch should be used in Setting the time and date ..............4 accordance with these advisories at all times to ensure optimal enjoyment of your watch and to prevent injury to yourself, other persons and/or damage to property. Mainspring ...................
Setting the time and date While the hands indicate between 8:00 PM and 2:00 AM: Do not perform steps 1 and 2; otherwise, the date may not change properly. • When the screw down crown is equipped on your model, loosen the screw before If you want to perform the steps, first turn the crown in position 2 to move the hands operation.
Mainspring Winding the mainspring manually Turn the crown to the right (clockwise) in position 0 . This watch runs using the power of the mainspring. • Once the mainspring is wound fully, it will run for about 42 hours. • Sufficient winding ensures stable and accurate movement. About winding the mainspring Crown This watch is an automatic mechanical watch.
Mechanical watches Usage environment (temperature, magnetism, impact, etc.) • Because mechanical watches use metal in parts for keeping accuracy, changes in About accuracy temperature, which cause metal to expand and contract, will affect the accuracy of the The accuracy of mechanical watches in this instruction manual is static accuracy at watch.
Water resistance WARNING Water Resistance Water-related use • Refer to the watch dial and/or the case back for the indication of the water resistance of your watch. The following chart provides examples of use for reference to ensure that your watch is used properly. (The unit “1bar”...
• Non-water resistant models are not designed to come into contact with any moisture. Take care not to Precautions and usage limitations expose a watch with this rating to any type of moisture. • Water resistance for daily use (to 3 atmospheres) means the watch is water resistant for occasional CAUTION To Avoid Injury accidental splashing.
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CAUTION When Wearing Your Watch CAUTION Precautions <Band> • Always use the watch with the crown pushed in (normal position). If the crown is of the screw lock- • Leather bands and rubber (urethane) bands will deteriorate over time due to perspiration dirt. type, make sure it is securely locked.
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• Please request adjustment or repair of the band in the following cases: <Strong Shock> • You notice an abnormality with the band due to corrosion. • Avoid dropping the watch or subjecting it to other strong impact. It may cause malfunctions and/or •...
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Caring for Your Watch CAUTION Always Keep Your Watch Clean • Wipe any dirt or moisture such as perspiration from the case and crystal with a soft cloth. • Rotate the crown while it is pressed in fully and press the buttons periodically so they do not become •...
Your watch needs an inspection once every two or three years for safety and longer usage. To keep your watch water-resistant, the gaskets and other components need to be replaced regularly. Other parts need to be inspected and replaced if necessary. Always ask for genuine Citizen parts upon replacement.
Specifications 901* Model Number of jewels Automatic mechanical watch Type –10 seconds to +30 seconds Accuracy in use −10˚C to +60˚C Operating temperature range • Time: hours, minutes, seconds Display functions • Calendar: date More than approx. 42 hours (automatic winding Run time type) 28,800 times/hour (8 beats)
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Model No.NB0* ・NB1* ・PA0* Cal.901* CTZ-B8150 1...