Pocket Watch Database


From the American Horology Archive:
Seth Thomas Grade Maiden Lane Pocket Watch

Seth Thomas Watch Co.

Grade: Maiden Lane

Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 350899 Question Mark
Grade: Maiden Lane Question Mark
Variation: DR Question Mark
Model: 5 Question Mark
Estimated Production Year: 1911 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 16 of 19 Question Mark
Grade/Model Total Production: 1,040 Question Mark
Variant Est. Production: 500 (18S-M5-25J-OTL-A5PTI) Question Mark
Size: 18s Question Mark
Jewels: 25j Question Mark
Jewel Material: Ruby Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Two-Tone Question Mark
Finish Pattern: Nickel Center Question Mark
Movement Inlay Color: Black Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Double Roller: Yes Question Mark
Balance Type: Compensation Question Mark
Regulator: Micrometric Question Mark
Hairspring: Breguet Question Mark
Standard Dial Type: Double-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Railroad Grade: Yes Question Mark
Movement Markings: Maiden Lane
25 Jewels
Adjusted 5 Positions and Temperature
Safety Pinion
Case: Various Question Mark
Run ID: 620.G16.18S549.185M315.O407.L535.25J4 Question Mark
Data Research: 1904 Seth Thomas Serial List
Question Mark
Database Version: v52.433 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
3.13 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
8.80 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.073% Question Mark
Registry Population:
Scoped for This Run Only
4 (4.00%) Question Mark
Research Note: Double Roller

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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.


Anonymous · December 7, 2020

Serial Number 350895 was reported as inaccurate.

No further details were submitted with the report.

Gimparoo Supporter 703 · October 22, 2017

Serial Number 350805 was reported as accurate.

Anonymous · April 26, 2017

Serial Number 350805 was reported as accurate.

Anonymous · September 4, 2016

Serial Number 350893 was reported as accurate.

wabash 134 · June 11, 2016

Serial Number 350805 was reported as accurate.

wabash 134 · June 19, 2015

Serial Number 350872 was reported as accurate.

Seth Thomas Grade Maiden Lane Pocket Watch