Grail Watch Reference
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Complications
Chronograph
-2-Button
-Column Wheel Chronograph
--6-Column Chronograph
--8-Column Chronograph
Date
-Instant Date Change
-Quick Date Correction
Hacking Seconds
Hand Winding
Power Reserve Indicator
Hands
12 Hour Chronograph Hand at 6:00
30 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 9:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 6:00
Open Heart at 9:00
Power Reserve Pointer at 12:00
Small Seconds Hand at 3:00
Small Seconds Hand at 4:30
Brand
Audemars Piguet
ETA
Miyota
Parmigiani Fleurier
Seiko
-Credor
STP
Zenith
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Micro-Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Counter-Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
Screw Regulator
Screwed Balance
Production Periods
1990s
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Citizen Parashock
Incabloc Double-Cone
Jewels
17
21
26
27
29
30
34
37
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:00
-Balance at 3:00
-Balance at 4:30
-Balance at 7:30
-Barrel at 10:30
-Barrel at 7:30
Central Rotor
Column Wheel
-Column Wheel at 6:00
Micro Rotor
-Micro Rotor at 1:30
AP 2912
AP 2941
ETA 2894S2
Miyota 6T33
Miyota 8N24
Miyota 8N40
PF707
Seiko 6899
STP6-15
Zenith 670 SK
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