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PARTS CATALOGUE / TECHNICAL GUIDE
[SPECIFICATIONS]
Item
Movement
Outside diameter
Casing diameter
Movement size
Height
Time indication
Driving system
Additional mechanism
Loss/gain
Regulation system
Measuring gate by quartz tester
Power generator
Power supply
Rechargeable battery
Operating voltage range
Expected life per charge
Jewels
Cal. V14JA
Cal. No.
ø25.0 mm
24.0 mm between 6 o'clock and 12 o'clock sides
21.3 mm between 3 o'clock and 9 o'clock sides
ø24.0 mm
23.3 mm between 6 o'clock and 12 o'clock sides
19.3 mm between 3 o'clock and 9 o'clock sides
3.5 mm (Including the battery portion)
3 hands
Step motor (Load compensated driving pulse type)
• Solar power system
• Overcharge prevention function
• Energy depletion forewarning function
• Quick-start function
• Electronic circuit reset switch
• Train wheel setting device
• Day and date calendar function (Day and date hands)
• Instant setting device for date calendar
• 24-hour indication system (24-hour hand)
Monthly rate at normal temperature range: less than 20 seconds
Nil
Use 10-second gate.
Solar power system
Titanium-lithium ion rechargeable battery
0.45 ~ 2.20 V
From full charge to stoppage: Approx. 6 months
2 jewels
V14JA
(x 1.0)
1
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Summary of Contents for Seiko V14JA
- Page 1 PARTS CATALOGUE / TECHNICAL GUIDE Cal. V14JA [SPECIFICATIONS] Cal. No. V14JA Item Movement (x 1.0) ø25.0 mm Outside diameter 24.0 mm between 6 o'clock and 12 o'clock sides 21.3 mm between 3 o'clock and 9 o'clock sides Casing diameter ø24.0 mm Movement size 23.3 mm between 6 o'clock and 12 o'clock sides...
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Page 2: Parts Catalogue
PARTS CATALOGUE Cal. V14JA → Disassembling procedures Figs. : → Reassembling procedures Figs. : Lubricating: Types of oil Oil quantity Moebius A Normal quantity Second hand Minute hand Hour hand 24-hour hand Day hand Date hand Dial Solar cell unit... - Page 3 PARTS CATALOGUE Cal. V14JA 0012 354 Calendar mechanism plate screw 0839 966 Calendar mechanism plate 0970 966 Date star 0804 570 Date corrector setting wheel 0817 966 Intermediate date wheel 0802 570 Day driving wheel 0802 535 Date driving wheel...
- Page 4 PARTS CATALOGUE Cal. V14JA 0022 247 Battery lead terminal screw 3023 24Y Rechargeable battery unit 0022 247 Circuit block cover screw 4457 909 Circuit block cover 4000 655 Circuit block 0125 907 Train wheel bridge 0241 966 Fourth wheel and pinion...
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Page 5: Technical Guide
“PULSAR Casing Parts Catalogue” to choose a corresponding winding stem. TECHNICAL GUIDE Cal. V14JA • The explanation here is only for the particular points of Cal. V14JA. • For the repairing, checking and measuring procedures, refer to the “TECHNICAL GUIDE, GENERAL INSTRUCTIONS”. - Page 6 TECHNICAL GUIDE Cal. V14JA REMARKS ON DISASSEMBLING AND REASSEMBLING 〜 6 Hands • How to install Place the movement directly on a flat metal plate or the like to install the hands. In doing so, check that the spring portion of the circuit block cover is not pressed down.
- Page 7 TECHNICAL GUIDE Cal. V14JA Solar cell unit • How to remove Screwdriver The solar cell unit is fixed by two hooking portions at the • Hooking portion 12 o‘clock and 6 o‘clock sides. Insert the tip of a screwdriver into a gap between the •...
- Page 8 TECHNICAL GUIDE Cal. V14JA 12 Calendar mechanism plate • Setting position Refer to the illustration below to check where to install the respective wheels. Date star Intermediate date wheel Date corrector setting wheel Date driving wheel Hour wheel 24-hour hand wheel...
- Page 9 16 Day driving wheel Date driving wheel 17 Date driving wheel Cal. V14JA watches use two different driving wheels to turn the date and day hands. It is necessary, therefore, to adjust the engagement of the wheels so that the date and day hands shift properly.
- Page 10 TECHNICAL GUIDE Cal. V14JA Battery lead terminal 26 Rechargeable battery unit • How to remove Remove the battery lead terminal screw, and then pry • up the “A” portion in the illustration with tweezers to “B” portion remove the rechargeable battery unit.
- Page 11 TECHNICAL GUIDE Cal. V14JA 43 Winding stem The first intermediate wheel for calendar correction • has some elasticity in the contact with the winding stem so that it can be easily fixed. Push in the winding stem straight toward the center •...
- Page 12 TECHNICAL GUIDE Cal. V14JA <Measuring the current consumption for the circuit block alone> Connect the tester to the input terminals (+) and (–) of the circuit block, and wait for 30 seconds to 2 • minutes before starting the measurement, checking that a stable measurement is obtained.
- Page 13 TECHNICAL GUIDE Cal. V14JA <Measuring the output voltage for the solar cell unit alone> 1) Set the dial to the solar cell unit. 2) Connect the tester as shown in the illustration. Solar cell unit – 3) Place the solar cell unit at a distance of 5 cm under a fluorescent light of 15 to 20 watts, exposing the dial side to the light, and then measure the output voltage.
- Page 14 TECHNICAL GUIDE Cal. V14JA • Checking the recharging function A conventional method of checking the recharging function is to check the difference of the rechargeable battery voltage between before and after a recharge. <Checking procedure> 1) Apply the probes of the tester as shown in the illustration to measure the voltage of the rechargeable battery before recharge.
- Page 15 TECHNICAL GUIDE Cal. V14JA • Remarks on measuring the time accuracy Before measuring the time accuracy, be sure to install • the solar cell unit. If it is necessary to measure the accuracy while the • solar cell unit is not installed and a stable...
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