Seth Thomas Pocket Watch: Serial Number 12139 (Grade 101)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/12139

Access Date: October 13, 2024

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 101

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	12139
Grade:	101
Model:	3
Estimated Production Year:	1885
Run Quantity:	800
Grade/Model Run:	1 of 6
Grade/Model Total Production:	2,500
Size:	18s
Jewels:	15j
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Gilt
Movement Setting:	Lever
Plate:	3/4 Plate
Balance Type:	Expansion
Regulator:	Reed
Hairspring:	Flat
Standard Dial Type:	Double-Sunk
Adjusted:	Yes
Movement Markings:	Seth Thomas Thomaston, Conn. Adjusted
Case:	Various
Run ID:	12.101G3.18S12.183M2.O12.L12.15J3
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.407
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	7.52
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	44.95
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.489%
Registry Population: Scoped for This Run Only	5 (0.63%)

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Production Metrics Tree: Grade 101

Target Profile: 18S-M3-15J-OGL-A

Seth Thomas Grade 101 (All Variations): 2,750 ETP
18S: 2,750 100.00% 18s, Grade 101
18S-M3: 2,500 90.91% 18s, Grade 101, Model 3	Other: 250 Other Models or Unclassified
18S-M3-15J: 2,500 90.91% 18s, Grade 101, Model 3, 15 Jewels
18S-M3-15J-OGL: 2,500 90.91% 18s, Grade 101, Model 3, 15 Jewels, Openface/Lever/Gilt
18S-M3-15J-OGL-A: 2,500 90.91%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 5 watches in the population registry for this run with 3 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.

Rockfordguy Supporter 41 · 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 381 · February 1, 2023

Serial Number 12139 was reported as accurate.

ATTAS013 4 · 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