Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
24 Hour Hand
Date
-Big Date
--Overlapping Concentric Big Date
-Instant Date Change
-Quick Date Correction
-Semi-Instantaneous Date Change
Day
-Instant Day Change
-Outer Day Wheel
-Quick Day Correction
GMT Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Hand Winding
Modular
Hands
Big Date at 3:00
Central 24 Hour Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Date Window at 6:00
Day Window at 12:00
Day Window at 3:00
Day Window at 6:00
Brand
ETA
Soprod
Tianjin
-Sea-Gull
Valanvron
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Hand winding
Regulators
ETACHRON
Screw Regulator
Soprod
Production Periods
1980s
1990s
2000s
2010s
2020s
Frequency
28,800 A/h
Anti-Shock
Novodiac
Jewels
17
25
26
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 12:00
Central Rotor
ETA 2801-2
ETA 2804-2
ETA 2824-2
ETA 2826-2
ETA 2834-2
ETA 2836-2
Soprod C125
ST2130
VAL-24
VAL-36
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