Manufacturer:	Gruen Watch Co.
Movement Serial Number:	530373
Grade:	V4 - precision
Model:	Verithin
Estimated Production Date:	c.1870
Size:	12s
Jewels:	17j
Jewel Material:	Ruby
Jewel Setting:	Friction
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Inlay Color:	Gilt
Movement Setting:	Pendant
Plate:	Bridge Plate
Double Roller:	Yes
Center Wheel Material:	Brass
Regulator:	Reed
Hairspring:	Breguet
Pallet Jewel Material:	Ruby
Adjusted:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Movement Markings:	Stamped: SEVENTEEN 17 JEWELS, SN 530373 GRUEN WATCH Co. VERITHIN PRECISION ADJUSTED TEMPERATURES Also stamped: Suisse and V4
Observation Source:	Elguapowho
Case:	Various
Database Version:	v52.612

NOTE: This information was provided by a user and has not been verified for accuracy.

Please note that many times, movements were not finished in sequential order. As a result, the production years provided are estimates, and a margin of error +/- 5 years is expected.