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
About Grail Watch
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Complications
24 Hour Hand
Chronograph
-2-Button
-Column Wheel Chronograph
--5-Column Chronograph
--8-Column Chronograph
-Horizontal Clutch Chronograph
-Monopusher Chronograph
Date
-Instant Date Change
-Quick Date Correction
-Semi-Instantaneous Date Change
Day
-Outer Day Wheel
-Quick Day Correction
GMT Hand
-Independently-Adjustable 12 Hour Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Hand Winding
Tourbillon
Hands
30 Minute Chronograph Hand at 3:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Day Window at 12:00
Open Heart at 6:00
Small Seconds Hand at 9:00
Brand
Audemars Piguet
Bulgari
Jaeger-LeCoultre
Rolex
Seiko
-Credor
Soprod
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Peripheral Automatic Winding
Hand winding
Regulators
Chronergy
Gyromax
Microstella
Screw Regulator
Screwed Balance
Screwed Mobile Stud
Production Periods
1960s
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
19,800 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Diashock
Elastor
Incabloc Double-Cone
Paraflex
Jewels
23
25
26
27
28
31
36
52
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
-Balance at 6:00
AP 2120
AP 2121
AP 2889
BVL 191
BVL 388
Rolex 3000
Rolex 3035
Rolex 3055
Rolex 3085
Rolex 3130
Rolex 3131
Rolex 3132
Rolex 3135
Rolex 3136
Rolex 3155
Rolex 3156
Rolex 3175
Rolex 3185
Rolex 3186
Rolex 3187
Rolex 3235
Rolex 3255
Rolex 3285
Seiko 4L25
Seiko 4L75
Seiko 6L35
Seiko 6L75
Soprod Newton
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