Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
Hacking Seconds
Tourbillon
Hands
Central Hour Hand
Central Minute Hand
Open Heart at 6:00
Small Seconds Hand at 6:00
Brand
A. Lange & Söhne
Winding
Hand winding
Regulators
Screwed Balance
Production Periods
2010s
2020s
Frequency
21,600 A/h
Anti-Shock
Jewels
20
Balance Mount
Balance Cock
-Balance Cock Counter-Clockwise
Back-Side Features
3/4 Plate
-Barrel at 1:30
-Tourbillon at 6:00
L102.1
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