Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
Tourbillon
Hands
Central Hour Hand
Central Minute Hand
Brand
Bulgari
Winding
Automatic
Regulators
Production Periods
Frequency
21,600 A/h
Anti-Shock
Jewels
40
Balance Mount
Back-Side Features
-Tourbillon at 6:00
BVL 263
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