Seth Thomas Pocket Watch: Serial Number 3090066 (Grade 320)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/3090066

Access Date: February 04, 2025

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 320

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	3090066
Grade:	320
Model:	Centennial
Estimated Production Year:	1913
Run Quantity:	3,000
Grade/Model Run:	13 of 13
Grade/Model Total Production:	27,100
Variant Est. Production:	23,100 (6S-MCENTENNIAL-7J-NP)
Size:	6s
Jewels:	7j
Movement Finish:	Nickel
Finish Pattern:	Stripe
Movement Setting:	Pendant
Regulator:	Plain
Hairspring:	Breguet
Adjusted:	No
Railroad Grade:	No
Movement Markings:	Seth Thomas Thomaston, Conn. U.S.A. 7 Jewels Safety Pinion
Case:	Various
Run ID:	1140.320G13.6S167.M19.U65.P161.7J386
Database Version:	v52.596
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	81.59
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	240.44
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	1.912%
Registry Population: Scoped for This Run Only	12 (0.40%)
Research Note: Wide Taper Edge

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Production Metrics Tree: Grade 320

Target Profile: 6S-MCENTENNIAL-7J-NP-U

Seth Thomas Grade 320 (All Variations): 27,100 ETP
6S: 27,100 100.00% 6s, Grade 320
6S-MCENTENNIAL: 27,100 100.00% 6s, Grade 320, Model Centennial
6S-MCENTENNIAL-7J: 27,100 100.00% 6s, Grade 320, Model Centennial, 7 Jewels
6S-MCENTENNIAL-7J-NP: 23,100 85.24% 6s, Grade 320, Model Centennial, 7 Jewels, /Pendant/Nickel	Other: 4,000 Other Configs or Unclassified
6S-MCENTENNIAL-7J-NP-U: 23,100 85.24%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 12 watches in the population registry for this run with 6 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 428 · 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 428 · 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