Pocket Watch Database

From the American Horology Archive:
Seth Thomas Grade 281 Pocket Watch

Seth Thomas Watch Co.

Grade: 281

Manufacturer: Seth Thomas
Manufacturer Location: Thomaston, Connecticut
Movement Serial Number: 284789
Grade: 281
Model: 5
Estimated Production Year: 1910
Run Quantity: 300
Grade/Model Run: 2 of 5
Grade/Model Total Production: 1,550
Size: 18s
Jewels: 17j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Two-Tone
Finish Pattern: Square In Star
Movement Inlay Color: Black
Movement Setting: Pendant
Plate: Full Plate
Regulator: Micrometric
Hairspring: Breguet
Standard Dial Type: Double-Pressed
Adjusted: Yes
Adjusted to Position: No
Adjusted to Temperature: Yes
Railroad Grade: No
Movement Markings: Seth Thomas
Thomaston, Conn.
Safety Pinion.
17 Jewels
Case: Various
Run ID: 558.281G2.18S489.185M258.O347.P43.17J173
Database Version: v52.246
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
4.66
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
13.33
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.110%
Registry Population: 7 (2.33%)

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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 · May 29, 2019

Serial Number 284831 was reported as accurate.

Changes since this report was submitted:
Grade changed from 182 to 281

rjvel1153 Supporter 3 · May 26, 2017

Serial Number 284789 was reported as inaccurate.

Note: 284789 serial with stamped 17 JEWEL and this says
15 ??
Changes since this report was submitted:
Grade changed from 159 to 281
Jewels changed from 15j to 17j
Movement Finish changed from Nickel to Two-Tone
Adjusted changed from No to Yes

Anonymous · July 9, 2016

Serial Number 284959 was reported as inaccurate.

Note: Mine is 17 Jewel 2 tone, swan neck regulator.
Changes since this report was submitted:
Grade changed from Unknown to 281
Jewels changed from 15j to 17j
Movement Finish changed from Gilt or Nickel to Two-Tone
Movement Setting changed from Lever or Pendant to Pendant
Adjusted changed from No to Yes

Txranger 18 · March 13, 2016

Serial Number 284789 was reported as inaccurate.

Note: 17 jewels
Changes since this report was submitted:
Grade changed from Unknown to 281
Jewels changed from 15j to 17j
Movement Finish changed from Gilt or Nickel to Two-Tone
Movement Setting changed from Lever or Pendant to Pendant
Adjusted changed from No to Yes
Seth Thomas Grade 281 Pocket Watch