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Grand Seiko 9R65 User Manual

Grand Seiko 9R65
26 pages
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INSTRUCTION MANUAL FOR WATCH CALIBRE
9R65

Questions and Answers:

Grand Seiko 9R65 Specifications

General IconGeneral
MovementSpring Drive
Power Reserve72 hours
Accuracy±15 seconds per month
Jewels30
FunctionsHours, Minutes, Seconds, Date
Case MaterialStainless Steel
Case Thickness12.5 mm
CrystalSapphire crystal with anti-reflective coating
Water Resistance100 meters
Bracelet MaterialStainless Steel
Dial ColorSilver
Case Diameter40.0 mm
Clasp TypeThree-fold clasp with push button release

Summary

Understanding the Spring Drive Mechanism

Core Concepts and Accuracy

Explains the unique blend of mechanical and quartz principles for high accuracy.

Speed Regulation System

Details the electronic speed-regulating unit using generator, IC, and crystal oscillator.

Operational Steps

Step-by-step explanation of how the Spring Drive mechanism functions internally.

Handling, Usage, and Safety

Operating Your Grand Seiko Watch

Crown and Winding Procedures

Instructions for using the crown, including normal and screw-lock types, and winding the mainspring.

Chronograph and Stopwatch Functions

Detailed guide on using the chronograph, stopwatch, and tachymeter functions.

Watch Maintenance and Quality Preservation

Troubleshooting and Specifications

Solving Common Watch Problems

A guide to diagnosing and resolving typical issues encountered with the watch.

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