Grail Watch Reference
A Reference Library for Watches from Grail Watch
Movement Database
Grail Watch Blog
Reference Documents
1979 Citizen Movement Table
Seiko Blue Book Automatic Movement Chronology
Seiko Laurel Brochure
Seiko List of Basic and Derivative Calibres
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Complications
Date
-Instant Date Change
-Quick Date Correction
Hacking Seconds
Power Reserve Indicator
Hands
Central Hour Hand
Central Minute Hand
Date Window at 4:30
Power Reserve Pointer at 1:00
Small Seconds Hand at 9:00
Brand
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Regulators
Production Periods
1990s
2000s
Frequency
28,800 A/h
Anti-Shock
Jewels
32
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
-Balance at 1:30
Zenith 655
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