Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
24 Hour Hand
Chronograph
-Column Wheel Chronograph
--5-Column Chronograph
-Horizontal Clutch Chronograph
-Monopusher Chronograph
Date
-Instant Date Change
-Quick Date Correction
-Semi-Instantaneous Date Change
GMT Hand
-Independently-Adjustable 12 Hour Hand
Hacking Seconds
Hand Winding
Tourbillon
Hands
30 Minute Chronograph Hand at 3:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Open Heart at 6:00
Small Seconds Hand at 9:00
Brand
Bulgari
Kenissi
Naoya Hida
Norqain
Oris
Seiko
-Grand Seiko
-Shizukuishi Watch Studio
Soprod
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Peripheral Automatic Winding
-Uni-Directional Automatic Winding
Hand winding
Two Barrel
Regulators
ETACHRON
Geared mobile stud
Screw Regulator
Screwed Balance
Production Periods
2020s
Frequency
21,600 A/h
28,800 A/h
36,000 A/h
Anti-Shock
Diashock
Incabloc Double-Cone
Jewels
21
22
23
27
28
47
52
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
Back-Side Features
3/4 Plate
Balance
-Balance at 10:30
-Balance at 12:00
-Balance at 6:00
-Balance at 7:30
-Barrel at 1:30
-Barrel at 10:30
-Barrel at 12:00
Central Rotor
-Column Wheel at 7:30
-Tourbillon at 6:00
Seiko 9SA Family
Soprod Newton Family
BVL 388
NH 3020CS
Norqain NN20/1
Norqain NN20/2
Oris 400
Seiko 9SA5
Soprod P092
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