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
--8-Column Chronograph
Hands
12 Hour Chronograph Hand at 6:00
30 Minute Chronograph Hand at 12:00
30 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 4:00
45 Minute Chronograph Hand at 12:00
45 Minute Chronograph Hand at 3:00
Big Date at 12:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Split Second Chronograph Hand
Date Pointer at 12:00
Date Pointer at 9:00
Date Window at 6:00
Day Pointer at 8:00
Day Pointer at 9:00
Day Window at 10:30
Day/Night Indicator Pointer at 9:00
Leap Year Pointer at 3:00
Leap Year Pointer at 4:30
Month Pointer at 3:00
Month Pointer at 4:00
Month Window at 1:30
Moon Phase Wheel at 12:00
Moon Phase Wheel at 6:00
Open Heart at 6:00
Open Heart at 9:00
Power Reserve Pointer at 12:00
Small Seconds Hand at 6:00
Small Seconds Hand at 8:00
Small Seconds Hand at 9:00
Brand
A. Lange & Söhne
Audemars Piguet
-Valjoux
Martel
TAG Heuer
Universal
Venus
Winding
Automatic
-Central Rotor Automatic Winding
Hand winding
Two Barrel
Regulators
Gyromax
Screwed Balance
Screwed Mobile Stud
Swan Neck Regulator
Variable Inertia Blocks
Production Periods
1910s
1930s
1940s
1950s
1960s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
28
30
34
36
39
43
45
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 12:30
-Balance at 3:00
-Balance at 6:00
Column Wheel
-Column Wheel at 6:00
-Column Wheel at 6:30
AP 2889
AP 2912
AP 2923
AP 2941
L101.1
L1924
L951.5
L952.1
Martel 1916
TAG Heuer 1887
Universal 281 Compax
Universal 281 Tri-Compax
Universal 281 Uni-Compax
Valjoux 69 DX
Venus 170
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