background image

7

7

SUN

4

Time 
setting
position

Time 
setting
position

Calendar setting
position

Crown

Date

Solar cell

Normal position

[2] Models with calendar (date and weekday) display

* If your watch has a screw-type crown, lift up the crown to loosen it before

operation. Be sure to press the crown down firmly after operation.

[Date display models]

[Date, day of the week 

display models]

Solar cell

Crown

Date, day of the week

Normal position

Calendar setting
position

The position of the calendar may differ depending on models.

Summary of Contents for Corso BM8400-50A

Page 1: ...POWERED WATCH 6 Insufficient Charge Warning Function 7 Quick Start Function 7 Overcharge Prevention Function 7 D CARE AND HANDLING DURING CHARGING 8 E ABOUT THE RECHARGEABLE CELL 9 F TIME REQUIRED FO...

Page 2: ...timum performance Always be sure to recharge the watch before it stops Your watch features an Overcharge Prevention Function so there is no need to worry about overcharging your watch A special energy...

Page 3: ...time 3 After setting the time firmly push the crown back into its normal position 3 Time setting position Crown Solar cell Normal position 1 Three hand models without calendar display If your watch h...

Page 4: ...eekday display If your watch has a screw type crown lift up the crown to loosen it before operation Be sure to press the crown down firmly after operation Date display models Date day of the week disp...

Page 5: ...date by turning the crown counterclockwise 3 Set the desired day of the week by turning the crown clockwise In the case of date display models turning the crown clockwise will result in the loose play...

Page 6: ...e warning display One second interval movement Two second interval movement If charged sufficiently If insufficiently charged When the watch is exposed to light the Quick Start Function will begin ope...

Page 7: ...movement Two second interval movement 2 sec 2 sec Quick Start Function The watch will stop if it is completely discharged It will begin to operate soon after it is exposed to light However the time to...

Page 8: ...it in as bright an area as possible Notes on recharging Avoid recharging your watch in areas of high temperatures over about 60 C 140 F otherwise the sensitive components of the watch may become damag...

Page 9: ...rechargeable cell should last the life of the watch Never allow anyone other than an Authorized Service Center to replace this cell The movement is designed to operate with only the original recharge...

Page 10: ...arging 10 Illuminance lux 500 Environment Inside an ordinary office Time required From the stop state to the one second movement 60 hours One day usage 4 hours Empty to full 1000 60 70cm 24 28in under...

Page 11: ...tely stopped One day usage Time required to charge the watch sufficient for one day use with one second interval operation 11 Empty to full CAUTION When recharging the watch after it is completely in...

Page 12: ...will stop functioning after about 1 week Insufficient Charge Warning Function In such a case expose your watch to light for a while to cancel the warning The second hand returns to moving at one seco...

Page 13: ...ing depends on the illuminance of the light Even so the second hand continues the hitch movement to tell you that the watch indicates an incorrect time because it had stopped In such a case set the ha...

Page 14: ...WATER RESIST or No indication WATER RESIST ANT Water resistant to 3 atmospheres WATER RESIST ANT 5 bar or WATER RESIST ANT Water resistant to 5 atmospheres WATER RESIST ANT 10 20 bar or WATER RESIST...

Page 15: ...ted on the dial and case and consult the table Examples of use Marine sports skin diving Scuba diving with air tank Operation of the crown with moisture visible NO NO NO NO NO NO OK NO NO NO OK OK Mod...

Page 16: ...or skin diving however it is not designed for scuba or saturated diving using helium gas CAUTION Be sure to use the watch with the crown pressed in normal position If your watch has a screw type crown...

Page 17: ...off Dust and dirt tend to be deposited in gaps in the back of the case or band Deposited dust and dirt may cause corrosion and soil your clothing Clean the watch occasionally Cleaning the Watch Use a...

Page 18: ...ove compartment or dash board of a car Doing so may result in deterioration of the watch such as deformation of plastic parts Do NOT place the watch close to a magnet Timekeeping will become inaccurat...

Page 19: ...t with the watch discoloration melting cracking etc may result If the watch comes in contact with mercury used in thermometers the case band or other parts may become discolored Periodical inspections...

Page 20: ...features Time hour minute second Calendar date day of the week Models with calendar display 7 Additional features Insufficient charge warning Quick start Overcharge prevention 8 Duration time Approx 6...

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