Seth Thomas Pocket Watch: Serial Number 3089778 (Grade 320)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/3089778/link

Access Date: April 30, 2025

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 320

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	3089778
Grade:	320
Model:	Centennial
Estimated Production Year:	Members Only Data
Run Quantity:	Members Only Data
Grade/Model Run:	Members Only Data
Grade/Model Total Production:	Members Only Data
Variant Est. Production:	Members Only Data
Size:	6s
Jewels:	7j
Movement Finish:	Nickel
Finish Pattern:	Members Only Data
Movement Setting:	Pendant
Regulator:	Members Only Data
Hairspring:	Members Only Data
Adjusted:	Members Only Data
Railroad Grade:	Members Only Data
Movement Markings:	Members Only Data
Case:	Various
Run ID:	1147.320G13.6S168.M19.U65.P163.7J388
Database Version:	v52.642
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population: Scoped for This Run Only	14 (0.47%)
Research Note: Wide Taper Edge

11 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Variant Est. Production, Finish Pattern, Regulator Type, Hairspring, Adjustments, Railroad Grade Designation, Movement Markings

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 14 watches in the population registry for this run with 7 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

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Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.

SethThomasFan Top Contributor Seth Thomas Expert Supporter 449 · August 24, 2024

Serial Number 3090478 was reported as inaccurate.

Note: [movement is not marked "Centennial"]
Grade: 320
Movement Markings: Seth Thomas
Thomaston,
Conn. U.S.A.
7 Jewels
Safety Pinion

Changes since this report was submitted:

Grade changed from Centennial to 320

SethThomasFan Top Contributor Seth Thomas Expert Supporter 449 · May 15, 2023

Serial Number 3091193 was reported as inaccurate.

Note: Movement Markings:
Seth Thomas
Thomaston, Conn. U.S.A.
7 Jewels
Safety Pinion
("Centennial" not Marked)

Changes since this report was submitted:

Grade changed from Centennial to 320

pwdmbj Supporter 563 · July 27, 2020

Serial Number 3090603 was reported as inaccurate.

Note: marked 15 jewels

Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Changes since this report was submitted:

Grade changed from Centennial to 320

Factory Model changed from 26 to Centennial