Grail Watch Reference
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Complications
24 Hour Hand
Chronograph
-2-Button
-3-Button Chronograph
-Column Wheel Chronograph
--8-Column Chronograph
-Flyback Chronograph
-Vertical Clutch Chronograph
Date
-Quick Date Correction
Day
GMT Hand
-Independently-Adjustable 24 Hour Hand
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 24 Hour Hand
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Date Window at 3:00
Date Window at 4:30
Day Window at 3:00
Open Heart at 9:00
Power Reserve Pointer at 12:00
Small Seconds Hand at 3:00
Small Seconds Hand at 6:00
Brand
Audemars Piguet
Blancpain
Schwarz Etienne
Seiko
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
Gyromax
Screwed Balance
Production Periods
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Jewels
34
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 3:00
-Balance at 4:30
-Balance at 7:30
-Barrel at 1:30
-Barrel at 10:30
Central Rotor
Column Wheel
-Column Wheel at 6:00
-Micro Rotor at 3:00
AP 2923
AP 2941
ASE 120
BP 1160DD
Seiko 8R48
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