Grail Watch Reference
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Complications
24 Hour Hand
Chronograph
-2-Button
-Column Wheel Chronograph
Date
-Date by Pointer
-Quick Date Correction
Day
-Day by Pointer
-Quick Day Correction
-Retrograde 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 9:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Pointer at 6:00
Date Window at 12:00
Date Window at 3:00
Day Pointer at 3:00
Power Reserve Pointer at 1:00
Power Reserve Pointer at 9:30
Retrograde Day Pointer at 2:30
Small Seconds Hand at 3:00
Small Seconds Hand at 6:00
Brand
Nomos
Parmigiani Fleurier
Rolex
Seiko
-Credor
-Seiko Instruments Inc.
Sellita
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Hand winding
Two Barrel
Regulators
ETACHRON
Microstella
Screw Regulator
Triovis
Production Periods
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Diashock
Elastor
Incabloc Double-Cone
Jewels
17
25
26
29
31
68
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
3/4 Plate
Balance
-Balance at 12:00
-Balance at 3:00
-Balance at 4:30
-Balance at 6:00
-Balance at 7:30
-Barrel at 1:30
-Barrel at 12:00
Central Rotor
Nomos Gamma
PF334
Rolex 3131
Seiko 4L75
Seiko 4S36
Seiko 6R20
SW200-1
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