Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
Hands
Central Hour Hand
Central Minute Hand
Small Seconds Hand at 7:30
Brand
Bulgari
Winding
Automatic
-Micro-Rotor Automatic Winding
Regulators
Mobile Stud
Production Periods
2010s
2020s
Frequency
21,600 A/h
Anti-Shock
Jewels
31
Balance Mount
Balance Bridge
Back-Side Features
-Balance at 7:30
-Micro Rotor at 1:30
BVL 138
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