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Seiko V115A User Manual

Seiko V115A
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PARTS LIST / TECHNICAL GUIDE
Analogue Solar Cal. V115
A
[SPECIFICATIONS]
1/16
Item
Cal. No.
V115A
0 jewel
Stepping motor (Load compensated driving pulse type)
Monthly rate: Less than 15 seconds (worn on the wrist at the
temperature between -5 ºC and 35 ºC)
Use 10-second gate.
Nil
1.2 V - 2.2 V
Approx. 12 months (from full charge)


Two hands (move at 20-second intervals)
4002 909: 1.70 – 2.60 K
Ω
Circuit block: Less than 0.16 μA
Movement: Less than 0.22 μA
Time setting, hand position adjustment/resetting the circuit
Free
 

 
 
 
MT516F
Solar power system
Driving system
Additional function
Crown operation
Loss/Gain
Regulation system
Gate time for rate measurement
Current consumption
Power supply
Battery life
Number of jewels
Interval of hands movements
Normal position
1st click position
Coil resistance
Power
generator
Rechargeable
battery

voltage range
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Seiko V115A Specifications

General IconGeneral
Movement TypeQuartz
CaliberV115
Battery Life3 years
FunctionsDate display, Day display
Case MaterialStainless Steel
Band MaterialStainless Steel
Water Resistance100 meters
CrystalHardlex
TypeAnalog

Summary

Specifications and Features

Technical Specifications

Details movement, driving system, operation, power, and consumption specifications.

Charging Time and Precautions

Provides guidelines for charging time and important cautions for charging the watch.

Parts List

Solar Power Mechanism Components

Lists and illustrates parts of the solar power generation mechanism.

Gear Train and Setting Mechanism Parts

Details parts for the gear train and stepping motor setting mechanism.

Parts Identification and Tools

Explains how to identify specific parts and lists required tools and consumables.

Technical Guide - Movement Handling

Setting Stem Removal and Dial Installation

Guides on removing the setting stem and installing the dial and holding ring.

Solar Cell Separation and Setting

Details procedures for separating and setting the dial holding ring and solar cell.

Battery and Circuit Cover Installation

Instructions for installing the rechargeable battery unit and circuit block cover.

Gear Train Lubrication and Setting

Provides lubrication and assembly position instructions for gear train wheels.

Setting Mechanism Assembly

Details assembly position and lubrication for the setting mechanism parts.

Technical Guide - Inspection and Testing

Coil Resistance and Current Consumption

Checks coil resistance and measures current consumption for the whole movement.

Circuit Block Current Measurement

Explains how to measure current consumption for the circuit block alone.

Solar Cell Output Voltage Test

Describes how to measure the output voltage of the solar cell unit.

Recharging Function and Battery Check

Details testing the recharging function and guidelines for battery condition.

General Function and Water Resistance

Outlines checks for general function, water resistance, and accuracy.

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