Seth Thomas Pocket Watch: Serial Number 10192 (Grade 55)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/10192

Access Date: November 21, 2024

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 55

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	10192
Grade:	55
Variation:	Type 3
Model:	1
Estimated Production Year:	1886
Run Quantity:	1,500
Grade/Model Run:	3 of 3
Grade/Model Total Production:	2,150
Variant Est. Production:	1,650 (18S-M1-11J-OGL-U-TYPE 3)
Size:	18s
Jewels:	11j
Jewel Setting:	Burnished Jewels
Movement Configuration:	Openface
Movement Finish:	Gilt
Movement Setting:	Lever
Plate:	3/4 Plate
Balance Type:	Expansion
Regulator:	Reed
Hairspring:	Flat
Standard Dial Type:	Single-Sunk
Adjusted:	No
Railroad Grade:	No
U.S. Patents:	310865, 325568
Movement Markings:	Seth Thomas Thomaston, Conn. Pat'd. Jan.13. & Sept.1. 85.
Case:	Various
Run ID:	10.55G3.18S10.181M10.O10.L10.11J8
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.450
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	6.47
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	18.67
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.152%
Registry Population: Scoped for This Run Only	14 (0.93%)
Research Note: End Point Based on Material Catalogs. Many of the surviving examples are missing the regulator spring, but the steady and screw holes are still evident to the left side of the regulator arm.

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Production Metrics Tree: Grade 55

Target Profile: 18S-M1-11J-OGL-U-TYPE 3

Seth Thomas Grade 55 (All Variations): 8,040 ETP
18S: 8,040 100.00% 18s, Grade 55
18S-M1: 2,150 26.74% 18s, Grade 55, Model 1		Other: 5,890 Other Models or Unclassified
18S-M1-11J: 2,150 26.74% 18s, Grade 55, Model 1, 11 Jewels
18S-M1-11J-OGL: 2,150 26.74% 18s, Grade 55, Model 1, 11 Jewels, Openface/Lever/Gilt
18S-M1-11J-OGL-U: 2,150 26.74%
18S-M1-11J-OGL-U-TYPE 3: 1,650 20.52%	Other: 500 Other Variants or Unclassified

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 9 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.