Vintage Gruen: The caliber database

Home » The Gruen Model Database » The caliber database » Columbus watch co

Show: Today's Messages :: Polls :: Message Navigator
E-mail to friend

Columbus watch co [message #18213]

Tue, 18 April 2023 19:44

Jenneke
Messages: 1723
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.

/vgforum/index.php?t=getfile&id=10467&private=0