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Citizen NB0 SERIES, Instruction Manual

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Citizen NB0 SERIES Instruction Manual Download Page 14

22

Specifications

Model

901*

Number of jewels

24

Type

Automatic mechanical watch

Accuracy in use

–10 seconds to +30 seconds

Operating temperature range

−10˚C to +60˚C

Display functions 

•  Time: hours, minutes, seconds

•  Calendar: date

Run time

More than approx. 42 hours (automatic winding 

type)

Beats

28,800 times/hour (8 beats)

•  Specifications are subject to change without notice.

Summary of Contents for NB0 SERIES

Page 1: ...INSTRUCTION MANUAL ...

Page 2: ...ENGLISH DEUTSCH FRANÇAIS ESPÑOL ITALIANO PORTUGÊS 中文 繁体字 中文 簡体字 日本語 ...

Page 3: ... may be equipped with external features calculation scale tachymeter etc Visual guides for operation of such external features can also be found on the website To check the movement number A case number 4 alphanumeric characters and 6 or more alphanumeric characters is engraved on the case back Figure on the right The first 4 characters of the case number represent the movement number of the watch...

Page 4: ...visories at all times to ensure optimal enjoyment of your watch and to prevent injury to yourself other persons and or damage to property Safety advisories are categorized and depicted in this manual as follows WARNING May cause serious injury or death CAUTION May or will cause minor or moderate injury or damage Important instructions are categorized and depicted in this manual as follows Warning ...

Page 5: ...dicates morning when the date changes 5 Turn the crown to set the time To set an afternoon or evening hour turn the hands to 12 00 first then set the time 6 Push in the crown to position 0 The date is based on a 31 day calendar Adjust the date indication on the first days of March May July October and December Date Crown Setting the time and date When the screw down crown is equipped on your model...

Page 6: ...ng your arm It is recommended to wear the watch for more than 8 hours a day If you do not move your arms much in your daily life for example you spend a lot of time sat at a desk the mainspring may not be wound sufficiently In such cases wind the mainspring manually see page 7 Winding the mainspring manually Turn the crown to the right clockwise in position 0 Crown When the watch stops turning the...

Page 7: ...ges in the direction of gravity This affects accuracy of mechanical watches Usage environment temperature magnetism impact etc Because mechanical watches use metal in parts for keeping accuracy changes in temperature which cause metal to expand and contract will affect the accuracy of the watch Because mechanical watches use metal parts exposure to magnetic fields affects their accuracy In order t...

Page 8: ...ST Water resistant to 3 atmospheres OK NO NO NO NO Upgraded everyday use water resistant watch W R 5 bar Water resistant to 5 atmospheres OK OK NO NO NO W R 10 20 bar Water resistant to 10 or 20 atmospheres OK OK OK NO NO Water resistance WARNING Water Resistance Refer to the watch dial and or the case back for the indication of the water resistance of your watch The following chart provides examp...

Page 9: ...eans that the watch may be worn while skin diving but not while scuba or saturated diving using helium gas Precautions and usage limitations CAUTION To Avoid Injury Be particularly careful when wearing your watch while holding a small child to avoid injury Be particularly careful when engaged in strenuous exercise or work to avoid injury to yourself and others Do not wear your watch while in a sau...

Page 10: ...bands will deteriorate over time due to perspiration dirt Because of the natural materials leather band will be worn deformed and discolored over time It is recommended to replace the band periodically The durability of a leather band may be affected when wet fading peeling of adhesive owing to the properties of the material Moreover wet leather may cause a rash Do not stain a leather band with su...

Page 11: ...latches of refrigerator doors clasps used in handbags the speaker of a cell phone electromagnetic cooking devices and so on Strong Shock Avoid dropping the watch or subjecting it to other strong impact It may cause malfunctions and or performance deterioration as well as damage to the case and bracelet Chemicals Corrosive Gasses and Mercury If paint thinner benzene or other solvents or products co...

Page 12: ... periodically clean foreign matter and accumulated materials from the metal band synthetic rubber strap polyurethane and or metal case using a soft brush and mild soap Be careful not to allow moisture on the case if your watch is not water resistant Leather bands may become discolored by perspiration or dirt Always keep your leather band clean by wiping with a dry cloth Caring for Your Watch Wipe ...

Page 13: ...rs 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 When Luminous Paint is used for your watch The paint on the dial and hands helps you with reading the time in a dark place The luminous paint stores light day...

Page 14: ...Accuracy in use 10 seconds to 30 seconds Operating temperature range 10 C to 60 C Display functions Time hours minutes seconds Calendar date Run time More than approx 42 hours automatic winding type Beats 28 800 times hour 8 beats Specifications are subject to change without notice ...

Page 15: ...Model No NB0 NB1 PA0 Cal 901 CTZ B81501 ...

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