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Columbus watch co [message #18213]

Tue, 18 April 2023 19:44

Jenneke
Messages: 1904
Registered: May 2013
Location: Netherlands

Gruen Authority

Type : Pocket watch
Period/date : 1874-1883?
Gender : Men's

Caliber : unknown - columbus Watch co Hunter
Size: 18? 19? TBD
Movement Maker : Aeby & landry - Madretsch
Movement Serial: 1605

Other: this (dirty) movement has the Gruen safety pinion patent 157913 from 22-12-1974 inside. Bimetallic temp compensated balance wheel.

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