Grail Watch Reference
A Reference Library for Watches from Grail Watch
Movement Database
Grail Watch Blog
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
-Cam Switching Chronograph
-Monopusher Chronograph
Date
-Date by Pointer
-Quick Date Correction
Day
-Outer Day Wheel
Day/Night Indicator
GMT Hand
-Independently-Adjustable 24 Hour Hand
Hacking Seconds
Moon Phase
Hands
12 Hour Chronograph Hand at 6:00
15 Minute Chronograph Hand at 12:00
30 Minute Chronograph Hand at 12:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Date Pointer
Central Hour Hand
Central Minute Hand
Central Moon Phase Wheel
Central Seconds Hand
Date Pointer at 3:00
Date Window at 3:00
Date Window at 6:00
Day Window at 12:00
Day Window at 3:00
Day/Night Indicator Disc at 10:00
Day/Night Indicator Pointer at 10:00
Moon Phase Wheel at 6:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
Sellita
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
--Clockwise Automatic Winding
Hand winding
Regulators
Screw Regulator
Production Periods
2000s
2010s
2020s
Frequency
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
18
19
21
24
25
26
31
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 11:00
-Balance at 12:00
Sellita SW200 Family
Sellita SW300 Family
Sellita SW500 Family
SW100
SW1000-1
SW200-1
SW210-1
SW215-1
SW216-1
SW219-1
SW220-1
SW220-1 M
SW221-1
SW221-1 M
SW240-1
SW240-1 M
SW260-1
SW261-1
SW261-1 M
SW280-1
SW280-1 M
SW285-1 a
SW285-1 b
SW285-1 M a
SW285-1 M b
SW288-1
SW288-1 M
SW290-1
SW295-1
SW295-1 M
SW300-1
SW330-1
SW360-1
SW400-1
SW461-1
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 MP c
SW500 M MPC a
SW500 M MPC b
SW500 M MPC c
SW500 MP a
SW500 MP b
SW500 MP c
SW500 MPC a
SW500 MPC b
SW500 MPC c
SW501 a
SW501 b
SW501 BV a
SW501 BV b
SW501 BV c
SW501 c
SW501 M a
SW501 M b
SW501 M BV a
SW501 M BV b
SW501 M BV c
SW501 M c
SW501 M MP a
SW501 M MP b
SW501 M MPC a
SW501 M MPC b
SW501 MP a
SW501 MP b
SW501 MPC a
SW501 MPC b
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