Gradus

Created Thursday 31 October 2024

Gradus 17 Jewel

The brand name Gradus was registered by the Gladiator Watch Company of London in 1947, a London based importer and distributor of Swiss watches.
Possibly also sold as Fortis
Manufacturer: AS
Caliber: 1686
Size: 11 1/2'''
A/h: 18000
lift angle: 52°
Number of jewels: 17
Escapement: Pallet lever
Balance types: Nickel anular balance
Shock protection(s): KIF Satellor
Balance bearing / direction hairspring: Counterclockwise
Adjust mechanism: Hairspring key
Construction:
lever escape wheel, seconds wheel, third wheel
center minute wheel
mainspring barrel
Features:
SCD (direct center seconds)
References: Flume: K3 43
Mentioning in literature (years): 1964

Backlinks: Watches

If you have a comment or suggestion, please use the form on the contact page.