Seth Thomas Pocket Watch: Serial Number 12188 (Grade 101)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/12188

Access Date: May 10, 2025

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 101

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	12188
Grade:	101
Model:	3
Estimated Production Year:	Login to View for Free
Run Quantity:	Login to View for Free
Grade/Model Run:	Login to View for Free
Grade/Model Total Production:	Login to View for Free
Size:	18s
Jewels:	15j
Jewel Setting:	Login to View for Free
Movement Configuration:	Openface
Movement Finish:	Gilt
Movement Setting:	Lever
Wind Mechanism:	Pendant
Plate:	3/4 Plate
Balance Type:	Expansion
Regulator:	Login to View for Free
Hairspring:	Login to View for Free
Standard Dial Type:	Login to View for Free
Adjusted:	Yes
Movement Markings:	Login to View for Free
Case:	Various
Run ID:	12.101G3.18S12.183M2.O12.L12.15J3
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.645
Advanced Metrics
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Registry Population: Scoped for This Run Only	7 (0.88%)

9 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, Jewel Setting, Regulator Type, Hairspring, Standard Dial Type, Movement Markings

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 7 watches in the population registry for this run with 4 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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Why Might This Information Be Incorrect?

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.

Anonymous · January 7, 2025

Serial Number 11760 was reported as inaccurate.

Note: Standard Dial Type is single sunk not double sunk.
They have the "fake" double sunk drawn line around
the dial.

RobertWDobko 4 · October 24, 2024

Serial Number 12297 was reported as accurate.

Rockfordguy Supporter 49 · February 7, 2024

Serial Number 12204 was reported as inaccurate.

Note: 12204 is marked “Adjusted” under balance wheel

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 70 to 101

Adjusted changed from No to Yes

SethThomasFan Top Contributor Seth Thomas Expert Supporter 451 · February 1, 2023

Serial Number 12139 was reported as accurate.

ATTAS013 5 · July 5, 2021

Serial Number 12088 was reported as inaccurate.

Note: ADJUSTED ENGRAVED ON THE MOVEMENT UNDER THE
BALANCE, SERIAL NUMBER 12088 - 15 Jewels 1886

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 70 to 101

Adjusted changed from No to Yes