Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
Hacking Seconds
Hands
Central Hour Hand
Central Minute Hand
Small Seconds Hand at 6:00
Brand
Parmigiani Fleurier
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Micro-Rotor Automatic Winding
-Uni-Directional Automatic Winding
Regulators
Variable Inertia Blocks
Production Periods
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Jewels
29
31
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 4:30
-Barrel at 7:30
Central Rotor
Micro Rotor
-Micro Rotor at 1:30
PF701
Zenith 689
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