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
-Split Seconds Chronograph
Hands
12 Hour Chronograph Hand at 6:00
12 Hour Chronograph Hand at 9:00
30 Minute Chronograph Hand at 12:00
30 Minute Chronograph Hand at 3:00
Big Date at 12:00
Central Hour Hand
Central Minute Hand
Central Split Second Chronograph Hand
Date Pointer at 12:00
Date Pointer at 9:00
Day Pointer at 3:00
Day Pointer at 9:00
Leap Year Pointer at 3:00
Leap Year Pointer at 6:00
Month Pointer at 3:00
Month Pointer at 6:00
Moon Phase Wheel at 12:00
Moon Phase Wheel at 6:00
Power Reserve Pointer at 12:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Week Number Pointer at 12:00
Brand
A. Lange & Söhne
Audemars Piguet
-Valjoux
Parmigiani Fleurier
Venus
Winding
Automatic
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Counter-Clockwise Automatic Winding
Hand winding
Regulators
Screwed Mobile Stud
Variable Inertia Blocks
Production Periods
1910s
1920s
1930s
1940s
1950s
1960s
1970s
2010s
2020s
Frequency
18000
19800
21600
36000
Anti-Shock
Jewels
15
17
18
20
26
35
43
52
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:30
Column Wheel
-Column Wheel at 5:00
-Column Wheel at 6:00
-Column Wheel at 6:30
AP 2885
L101.1
PF361
Valjoux 2 BR
Valjoux 20
Valjoux 24 KV
Valjoux 25 SRV
Valjoux 26
Valjoux 55 VBR
Valjoux 57
Valjoux 76 R
Venus 179
Venus 185
Venus 190
Venus 193
Venus 205
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