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
Hacking Seconds
World Time
Hands
City Window at 12:00
Brand
Nomos
-Deutsche Uhrenwerke
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Regulators
Nomos Swing System
Screwed Mobile Stud
Production Periods
2010s
2020s
Frequency
21,600 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
26
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 3:00
DUW 5201
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