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
--7-Column Chronograph
Hands
12 Hour Chronograph Hand at 6:00
15 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 3:00
45 Minute Chronograph Hand at 3:00
60 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Date Pointer
Central Hour Hand
Central Minute Hand
Central Split Second Chronograph Hand
Date Pointer at 12:00
Date Window at 4:30
Day Window at 11:30
Month Window at 12:30
Moon Phase Wheel at 12:00
Small Seconds Hand at 9:00
Brand
Bulgari
-Valjoux
Maurice Lacroix
Venus
Winding
Automatic
-Central Rotor Automatic Winding
Hand winding
Regulators
Indexed
Swan Neck Regulator
Production Periods
1930s
1940s
1950s
2000s
2010s
2020s
Frequency
18,000 A/h
36,000 A/h
Anti-Shock
Incabloc Double-Cone
Ultraflex
Jewels
17
20
23
26
31
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
Column Wheel
-Column Wheel at 5:00
-Column Wheel at 6:00
BVL 328
ML 106
ML 36
Valjoux 77 ECO
Valjoux 92
Venus 150
Venus 152
Venus 175
Venus 178
Venus 179
Venus 183
Venus 184
Venus 185
Venus 186
Venus 187
Venus 189
Venus 190
Venus 191
Venus 192
Venus 193
Venus 194
Venus 198
Venus 205
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