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
--6-Column Chronograph
--7-Column Chronograph
-Horizontal Clutch Chronograph
-Monopusher Chronograph
Date
-Instant Date Change
GMT Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Jumping Hours
Power Reserve Indicator
Repeater
-Minute Repeater
Retrograde Minutes
Tourbillon
-Flying Tourbillon
Hands
12 Hour Chronograph Hand at 6:00
24 Hour Hand at 3:00
30 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 6:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Date Window at 4:30
Hour Window at 3:00
Open Heart at 6:00
Small Seconds Hand at 6:00
Small Seconds Hand at 7:30
Small Seconds Hand at 9:00
Brand
Bulgari
Winding
Automatic
-Central Rotor Automatic Winding
-Micro-Rotor Automatic Winding
-Peripheral Automatic Winding
-Uni-Directional Automatic Winding
Hand winding
Two Barrel
Regulators
Gyromax
Microstella
Mobile Stud
Production Periods
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
36,000 A/h
Anti-Shock
Jewels
11
13
24
26
27
28
31
36
37
40
52
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
Back-Side Features
-Balance at 1:30
-Balance at 4:30
-Balance at 6:00
-Balance at 7:30
-Balance at 8:00
-Column Wheel at 6:00
-Column Wheel at 7:30
-Micro Rotor at 2:00
-Power Reserve Indicator at 2:00
Bulgari Finissimo Family
VMF 4000 Family
BVL 128
BVL 138
BVL 191
BVL 193
BVL 262
BVL 263
BVL 268
BVL 288
BVL 318
BVL 328
BVL 362
BVL 388
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