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PARTS CATALOGUE / TECHNICAL GUIDE
[SPECIFICATIONS]
Item
Movement
Outside diameter
Movement size
Casing diameter
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. V182A
Cal. No.
ø20.0 mm
19.0 mm between 3 o'clock and 9 o'clock sides
ø19.4 mm
18.7 mm between 3 o'clock and 9 o'clock sides
2.4 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
• Date calendar
• Instant setting device for date calendar
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. 2 months
2 jewels
V182A
(x 1.0)
1
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Summary of Contents for Seiko V182A
- Page 1 PARTS CATALOGUE / TECHNICAL GUIDE Cal. V182A [SPECIFICATIONS] Cal. No. V182A Item Movement (x 1.0) ø20.0 mm Outside diameter 19.0 mm between 3 o'clock and 9 o'clock sides Movement size ø19.4 mm Casing diameter 18.7 mm between 3 o'clock and 9 o'clock sides Height 2.4 mm (Including the battery portion)
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Page 2: Parts Catalogue
PARTS CATALOGUE Cal. V182A → Disassembling procedures Figs. : → Reassembling procedures Figs. : Lubricating: Types of oil Oil quantity Moebius A Normal quantity Silicone oil 500,000 c.s. Hour, minute and second hands Case back Dial Case back gasket Solar cell unit... - Page 3 PARTS CATALOGUE Cal. V182A 0022 247 Battery lead terminal screw 3027 29Y Rechargeable battery unit 0022 247 Circuit block cover screw 4457 903 Circuit block cover 4000 656 Circuit block 0125 907 Train wheel bridge 0241 934 Fourth wheel and pinion...
- Page 4 PARTS CATALOGUE Cal. V182A Remarks: 10 Solar cell unit 4020 573 The type of solar cell unit is determined based on the design of cases. Check the case number and refer to “Casing Parts Catalogue” to choose a corresponding solar cell unit.
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Page 5: Technical Guide
TECHNICAL GUIDE Cal. V182A • The explanation here is only for the particular points of Cal. V182A. • For the repairing, checking and measuring procedures, refer to the “TECHNICAL GUIDE, GENERAL INSTRUCTIONS”. STRUCTURE OF THE CIRCUIT BLOCK Crystal unit Input terminal (+) Input terminal (–) - Page 6 TECHNICAL GUIDE Cal. V182A 2) Insert the tip of a screwdriver into a gap between the solar cell unit and holding ring for dial near a hooking portion, and then, Hooking portion pry up the solar cell unit to release it from the hooking portion.
- Page 7 TECHNICAL GUIDE Cal. V182A 13 Date dial guard Unlike conventional movements, the date dial guard is not fixed with screws. It is set to the main plate with three protrusions, which are caught under the main plate by turning the guard. Then, it is fixed by two guide pins.
- Page 8 TECHNICAL GUIDE Cal. V182A Battery lead terminal 19 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 remove “B” portion the rechargeable battery unit.
- Page 9 TECHNICAL GUIDE Cal. V182A III. VALUE CHECKING • Coil block resistance 1.8KΩ ~ 2.2KΩ • Current consumption For the whole movement Less than 0.8µA (with voltage supplied from a battery) For the circuit block alone Less than 0.4µA (with voltage supplied from a battery) <Measuring the current consumption for the whole movement>...
- Page 10 TECHNICAL GUIDE Cal. V182A <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 11 TECHNICAL GUIDE Cal. V182A <Measuring the output voltage for the solar cell unit alone> 1) Connect the tester to the output terminal of the solar cell unit as shown in the illustration. Solar cell unit 2) Place the solar cell unit at a distance of 5 cm under a fluorescent light of 15 to 20 watts, exposing the solar cell side to the light, and then measure the output voltage.
- Page 12 TECHNICAL GUIDE Cal. V182A • 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 13 TECHNICAL GUIDE Cal. V182A • Remarks on measuring the time accuracy Before measuring the time accuracy, install the dial. • If a stable measurement cannot be obtained, place • the watch on the microphone of the quartz tester and leave it untouched for more than 5 minutes.
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