Grail Watch Reference
A Reference Library for Watches from Grail Watch
Movement Database
Patent Database
Grail Watch Blog
The Watch Files Podcast
Reference Documents
Vocabulary
About Grail Watch
Email
Instagram
LinkedIn
Mastodon
RSS
Threads
Twitter
Complications
-Bilingual Day Wheel
Hands
12 Hour Chronograph Hand at 6:00
24 Hour Hand at 12:00
30 Minute Chronograph Hand at 12:00
60 Minute Chronograph Hand at 6:00
Central 24 Hour Hand
Central 60 Second Chronograph Hand
Central Chronograph Minute Hand
Central Date Pointer
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Day Window at 11:30
Day Window at 3:00
Month Window at 12:30
Small Seconds Hand at 9:00
Brand
Concepto
ETA
-Lemania
Miyota
Seiko
-Daini Seikosha
-Seiko Instruments Inc.
-Suwa Seikosha
Sellita
Sinn
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
--Counter-Clockwise Automatic Winding
Battery
Hand winding
Regulators
ETACHRON
Indexed
Quartz
Screw Regulator
Stepper Motor
Triovis
Production Periods
1970s
1980s
1990s
2000s
2010s
2020s
Frequency
16,384 Hz
21,600 A/h
28,800 A/h
32,768 Hz
Anti-Shock
Citizen Parashock
Diashock
Ultraflex
Jewels
17
21
23
24
25
7
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:00
-Balance at 3:00
-Balance at 4:30
-Balance at 7:30
-Barrel at 7:30
-Battery at 10:30
Central Rotor
Concepto C99001
Concepto C99002
ETA 2858
ETA 2859
ETA 2878
ETA 2879
Lemania 5100
Miyota 6T51
Miyota 8205
Seiko 3803A
Seiko 3819A
Seiko 3823A
Seiko 3863A
Seiko 3883A
Seiko 4R36
Seiko 5206
Sellita SW515
Sign Up for Grail Watch Updates
