Grail Watch Reference
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Complications
24 Hour Hand
Chronograph
-2-Button
-Column Wheel Chronograph
--7-Column Chronograph
-Split Seconds Chronograph
Date
-Quick Date Correction
Hacking Seconds
Hand Winding
Regulator
Tourbillon
Hands
12 Hour Chronograph Hand at 6:00
24 Hour Hand at 9:00
30 Minute Chronograph Hand at 3:00
60 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Central Split Second Chronograph Hand
Date Window at 3:00
Hour Hand at 12:00
Lépine Small Seconds Hand
Open Heart at 12:00
Open Heart at 6:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
A. Lange & Söhne
ETA
Frédéric Piguet
Maurice Lacroix
Seiko
-Shizukuishi Watch Studio
STP
Tianjin
-Sea-Gull
Vénus
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
--Clockwise Automatic Winding
Hand winding
Regulators
ETACHRON
Screw Regulator
Screwed Balance
Swan Neck Regulator
Production Periods
1940s
1950s
1990s
2000s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Ultraflex
Jewels
20
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
3/4 Plate
Balance
-Balance at 1:30
-Barrel at 1:30
Central Rotor
Column Wheel
-Column Wheel at 4:30
-Tourbillon at 6:00
ETA 2000-1
FP 810
L102.1
ML 106
Seiko 8L34
ST17F
ST17F2
STP1-11M
STP5-15M
Venus 185
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