Pocket Watch Database

From the American Horology Archive:
Seth Thomas Grade 55 Pocket Watch

Seth Thomas Watch Co.

Grade: 55

Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 10396 Question Mark
Grade: 55 Question Mark
Variation: Type 3 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1886 Question Mark
Run Quantity: 1,500 Question Mark
Grade/Model Run: 3 of 3 Question Mark
Grade/Model Total Production: 2,150 Question Mark
Variant Est. Production: 1,650 (18S-M1-11J-OGL-U-TYPE 3) Question Mark
Size: 18s Question Mark
Jewels: 11j Question Mark
Jewel Setting: Burnished Jewels Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Balance Type: Expansion Question Mark
Regulator: Reed Question Mark
Hairspring: Flat Question Mark
Standard Dial Type: Single-Sunk Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
U.S. Patents: 310865, 325568 Question Mark
Movement Markings: Seth Thomas
Thomaston, Conn.
Pat'd. Jan.13. & Sept.1. 85.
Case: Various Question Mark
Run ID: 10.55G3.18S10.181M10.O10.L10.11J8 Question Mark
Data Research: 1904 Seth Thomas Serial List
Question Mark
Database Version: v52.504 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.47 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
18.67 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.155% Question Mark
Registry Population:
Scoped for This Run Only
14 (0.93%) Question Mark
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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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.


joe4646 Supporter 43 · June 28, 2024

Serial Number 10823 was reported as accurate.

joe4646 Supporter 43 · June 28, 2024

Serial Number 10192 was reported as accurate.

SethThomasFan Top Contributor Seth Thomas Expert Supporter 405 · June 15, 2023

Serial Number 10396 was reported as accurate.

2mnyboxers Supporter 408 · December 10, 2021

Serial Number 9566 was reported as accurate.

Changes since this report was submitted:
Grade changed from 44 to 55

Anonymous · April 4, 2021

Serial Number 9569 was reported as accurate.

Changes since this report was submitted:
Grade changed from 44 to 55

Anonymous · November 16, 2020

Serial Number 10208 was reported as accurate.

Changes since this report was submitted:
Grade changed from 44 to 55

Anonymous · June 24, 2019

Serial Number 10867 was reported as accurate.

Anonymous · August 13, 2018

Serial Number 9878 was reported as accurate.

Changes since this report was submitted:
Grade changed from 44 to 55

Jaybone 6 · July 15, 2017

Serial Number 9642 was reported as accurate.

Changes since this report was submitted:
Grade changed from 44 to 55

Anonymous · November 28, 2016

Serial Number 10874 was reported as inaccurate.

Note: The movement is used in a Yale & Towne timelock
assy.

Anonymous · August 20, 2016

Serial Number 9616 was reported as accurate.

Changes since this report was submitted:
Grade changed from 44 to 55

geoulri1 Supporter 58 · August 5, 2015

Serial Number 10248 was reported as accurate.

Anonymous · February 18, 2015

Serial Number 9540 was reported as accurate.

Changes since this report was submitted:
Grade changed from 44 to 55

Anonymous · February 18, 2015

Serial Number 9540 was reported as accurate.

Changes since this report was submitted:
Grade changed from 44 to 55
Seth Thomas Grade 55 Pocket Watch