Grail Watch Reference
A Reference Library for Watches from Grail Watch
Movement Database
Grail Watch Blog
The Watch Files Podcast
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
Date
-Instant Date Change
Hacking Seconds
Hands
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Brand
Bulgari
Winding
Automatic
-Central Rotor Automatic Winding
Regulators
Production Periods
2010s
2020s
Frequency
28,800 A/h
Anti-Shock
Jewels
26
27
Balance Mount
Balance Bridge
Back-Side Features
-Balance at 6:00
BVL 191
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