Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
24 Hour Hand
Date
-Date by Pointer
-Instant Date Change
-Quick Date Correction
Day/Night Indicator
GMT Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Power Reserve Indicator
World Time
Hands
Power Reserve Pointer at 1:00
Brand
Audemars Piguet
Nomos
-Deutsche Uhrenwerke
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Hand winding
Regulators
Nomos Swing System
Screwed Mobile Stud
Triovis
Variable Inertia Blocks
Production Periods
1990s
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
23
24
32
38
41
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
3/4 Plate
Balance
-Balance at 1:30
-Balance at 3:00
-Barrel at 7:30
Central Rotor
AP 3092
DUW 4301
DUW 4401
Nomos Delta
Nomos Gamma
Zenith 655
Zenith 683
Zenith 685
Zenith 6850
Zenith 687
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