Grail Watch Reference
A Reference Library for Watches from Grail Watch
Movement Database
Grail Watch Blog
The Watch Files Podcast
Reference Documents
1979 Citizen Movement Table
Seiko Blue Book Automatic Movement Chronology
Seiko Laurel Brochure
Seiko List of Basic and Derivative Calibres
About Grail Watch
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Complications
24 Hour Hand
Chronograph
-2-Button
-3-Button Chronograph
-Cam Switching Chronograph
-Column Wheel Chronograph
--6-Column Chronograph
--8-Column Chronograph
-Monopusher Chronograph
-Rattrapante Chronograph
-Split Seconds Chronograph
Date
-Date by Pointer
-Quick Date Correction
Day
-Day by Pointer
-Quick Day Correction
GMT Hand
Hacking Seconds
Hand Winding
Leap Year
Modular
Month
-Month by Pointer
Moon Phase
-122-Year Moon Phase
Perpetual Calendar
Power Reserve Indicator
Hands
30 Minute Chronograph Hand at 12:00
Brand
A. Lange & Söhne
ETA
-Valgranges
-Valjoux
Sellita
TAG Heuer
Venus
Winding
Automatic
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
Hand winding
Regulators
ETACHRON
Screw Regulator
Production Periods
1940s
1950s
1960s
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
17
21
24
25
39
43
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
ETA 7750
ETA 7751
ETA 7754
ETA 7760
ETA 7761
ETA 7765
ETA 7768
L101.1
SW500 a
SW500 b
SW500 BV a
SW500 BV b
SW500 BV c
SW500 c
SW500 M a
SW500 M b
SW500 M BV a
SW500 M BV b
SW500 M BV c
SW500 M c
SW500 M MP a
SW500 M MP b
SW500 M MPC a
SW500 M MPC b
SW500 MP a
SW500 MP b
SW500 MPC a
SW500 MPC b
TAG Heuer 1887
Valgranges A07.211
Valjoux 76
Venus 170
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