Grail Watch Reference
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Complications
Chronograph
-2-Button
-Cam Switching Chronograph
-Modular Chronograph
-Vertical Clutch Chronograph
Date
-Instant Date Change
-Quick Date Correction
Day
-Bilingual Day Wheel
-Instant Day Change
-Quick Day Correction
GMT Hand
-Independently-Adjustable 12 Hour Hand
Hacking Seconds
Hands
12 Hour Chronograph Hand at 6:00
30 Minute Chronograph Hand at 9:00
Central 24 Hour Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Date Window at 4:30
Day Window at 3:00
Small Seconds Hand at 12:00
Brand
Bulova
ETA
-ESA
IWC
Landeron
Longines
Omega
Patek Philippe
Rado
Rolex
Seiko
-Daini Seikosha
-Suwa Seikosha
Winding
Battery
Regulators
fixed-coil contact-controlled
Quartz
Stepper Motor
Tuning Fork
Production Periods
1960s
1970s
Frequency
16,384 Hz
170 Hz
18,000 A/h
28,800 A/h
300 Hz
32,768 Hz
360 Hz
440 Hz
8,192 Hz
9,350 Hz
Anti-Shock
Jewels
12
13
15
7
Balance Mount
Balance Bridge
Balance Cock
Back-Side Features
Balance
-Balance at 12:00
-Balance at 3:00
Battery
-Battery at 10:30
-Battery at 3:00
-Battery at 4:30
-Battery at 6:00
Tuning Fork
-Tuning Fork at 1:30
-Tuning Fork at 10:30
-Tuning Fork at 12:00
-Tuning Fork at 6:00
Accuquartz 224
Accutron 214
Accutron 218
Accutron 219
Accutron 221
Accutron 230
Beta 21
ESA 9160
ESA 9162
ESA 9164
ESA 9200
ESA 9210
Landeron 4750
Longines 6512
Seiko 3502
Seiko 35A
Seiko 3600
Seiko 3602A
Seiko 3800A
Seiko 3802A
Seiko 3803A
Seiko 3819A
Seiko 3820A
Seiko 3823A
Seiko 3862A
Seiko 3863A
Seiko 3870A
Seiko 3882A
Seiko 3883A
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