Related Manuals for Citizen E760
Summary of Contents for Citizen E760
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Page 1: Technical Information
TECHNICAL INFORMATION INFORMACION TECNICA CITIZEN QUARTZ Cal. No. E76 (Cal. No. E760) -
Page 2: Table Of Contents
ENGLISH Contents §1. FEATURES ....................1 §2. BEFORE USING...................1 §3. SPECIFICATIONS ..................2 §4. SETTING THE TIME AND DATE ..............3 §5. FUNCTIONS UNIQUE TO SOLAR-POWERED WATCHES .......7 §6. GENERAL REFERENCE FOR CHARGING TIMES ........9 §7. NOTES REGARDING HANDLING OF THIS WATCHES ......9 §8. -
Page 3: Features
§1. FEATURES This watch is a solar-powered watch that contains a solar cell in its face that drives the watch by converting light energy into electrical energy. It is equipped with numerous functions including a perpetual calendar that changes the date automatically (day, month and year change automatical- ly through February 28, 2100 even in leap years), a time difference correction function that makes it possible to easily change the time difference without stopping the watch, and a power save function that reduces current consumption when the solar cell is not exposed to light. -
Page 4: Specifications
§3. SPECIFICATIONS Caliber NO. Type Analog solar-power watch Movement size (mm) ø29.7 x 4.2t Accuracy Within ±15 seconds per month on average (When worn at normal temperatures of 5°C to 35°C/41°F to 95°F) 1 unit of C/MOS-LSI Operating temperature range –10°C to +60°C/14°F to 140°F Converter Bipolar step motor, 3 units... -
Page 5: Setting The Time And Date
§4. SETTING THE TIME AND DATE If the watch is provided with a cover open, the cover to set the time or date, and then close the cover once the time or date has been set. (0) Normal position and time difference correction position Button (A) (1) Date correction position... - Page 6 Setting the Date • This watch is provided with a perpetual calendar function. Once it is set, the year, month and date change automatically, including leap years. <How to Read Month and Year> How to read the month: January: Between 1:00 and 2:00 February: Between 2:00 and 3:00 December: Between 12:00 and 1:00 How to read the year:...
- Page 7 <When Setting the Date by Continuously Turning the Crown> The date can be set easily by stopping advancing the date rapidly two to three days before the correct date and then advancing the date one day at a time. <When the Date has been Set to a Date that does not Exist> The date automatically changes to the first day of the following month when the crown is returned to the normal position from the date correction state.
- Page 8 Case of Correcting Time Difference by 9 Hours <Proper Correction Procedure> <Improper Correction Procedure> Turned to the left CITIZEN CITIZEN Turned to the right Turned to the right : Direction of time difference correction...
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Page 9: Functions Unique To Solar-Powered Watches
§5. FUNCTIONS UNIQUE TO SOLAR-POWERED WATCHES When the watch becomes insufficiently charged, the following warning functions are activated to inform the wearer that the watch is insufficiently charged. [Normal Time Display] [Insuffrcient Charging Warning Function] If insufficiently charged If continues to remain insufficiently charged Watch Stops... - Page 10 <Insufficient Charging Warning Function> The second hand moves at two-second intervals to indicate that the watch is insufficiently Two-second charged. The watch stops after about 2 days interval movement have elapsed. Expose the watch to light to return 2 seconds the second hand to one-second interval move- ment.
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Page 11: General Reference For Charging Times
§6. GENERAL REFERENCE FOR CHARGING TIMES The time required for recharging varies according to the model of the watch (color of the dial, etc.). The following times are shown below to serve only as a reference. * Recharging time refers to the amount of time the watch is continuously exposed to light. Charging Time Illuminance Charging time from the... -
Page 12: All-Reset
§9. ALL-RESET The display of this watch may not read correctly as a result of being subjected to the effects of static electricity or strong impact and so forth. When this happens, perform the procedure described in "10. REFERENCE POSITION ALIGNMENT" after performing the all-reset procedure described below. -
Page 13: Precautions For Disassembly And Assembly
§11. PRECAUTIONS FOR DISASSEMBLY AND ASSEMBLY A. How to Pull Out Setting Stem from One-piece Case 1. When removing the setting stem from the case • Pressing down the end of the unlocking lever for setting stem from above, pull out the setting stem. -
Page 14: Precautions For Removal And Setting Of Solar Cell
<Precautions for Removal and Setting of Solar Cell> 1. Precautions for handling of solar cell • If the top of the solar cell is damaged, its charging capacity and other functions are lowered. Accordingly, sufficiently take care not to damage the top of the solar cell when removing and setting it. -
Page 15: Assembly Of Parts Around Calendar
[Assembly of Parts Around Calendar] 1. Installing position of intermediate date wheel (4) Position and install intermediate date wheel (4) through the oval zone of the date dial guard, taking care that its finger tip will not be removed. If this wheel is deviated from the correct position, the changing timing of the date dial changes. - Page 16 [How to fit hands] Before fitting the hands, perform the all-reset operation and then start the 1-second interval movement. 1. Perform the "all-reset" operation. q Pull the crown to the second click and press and hold the (A) button (the switch spring in the 2-o'clock division) for 2 seconds or longer.
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Page 17: Disassembly And Assembly Of Movement
§12. DISASSEMBLY AND ASSEMBLY OF MOVEMENT → Disassembly procedure: → Assembly procedure: Lubrication mark : A-Lube oil Secondary battery strap : V-Lube oil Secondary battery : F-Lube oil : CH-1 oil Circuit unit supporter Unit of electronic circuit Unloking lever (FOR SETTING STEM) (For one pice case type) Minus lead plate... - Page 18 Solar cell (Appearance Parts) Date dial guard Date dial (Appearance Parts) Intermediate dial wheel 4 Lower plate washer Date dial driving wheel Lower plate Shield plate Dial washer 2 Hour wheel...
- Page 20 Check Items How to Check Result and Treatment Measurement of <Tester range: DC. 3V> secondary battery voltage 1.3V or higher → Good Below 1.3V → Charge. E760M NO JEWELS Measure again after charging. 1.3V or higher → Check connecting parts. Below 1.3V →...
- Page 21 Check Items How to Check Result and Treatment * Refer to Technical Manual, Basic Course: II-1-b. Confirmation of output signal <Tester range: DCV. 0.3V> A1 pattern E760M NO JEWELS Tester pointer does not move → Check connection parts. Connection parts are normal →...
- Page 22 Check Items How to Check Result and Treatment * For the setting method of the tester, see Basic Course: Measurement of II-1-c. coil resistance ¡ Remove the unit of electronic circuit and measure the coil resistance. Coil units (1), (3) <Tester range: R x 10Ω>...
- Page 23 [AR] pattern Intermediate electronic circuit unit is low date wheel (1) → A part other than circuit CITIZEN WATCH CO. seems to have a trouble. E760M NO JEWELS Peephole for Check for stain, bad...
- Page 24 Check Items How to Check Result and Treatment * Refer to Basic Course: II-2-d. Measurement of time ¡ Since DF measurement is applied, measure in the 10- • Time rate is very different second range. The time rate cannot be adjusted, from specification →...