Pocket Watch Database

From the American Horology Archive:
Seth Thomas Grade 159 Pocket Watch

Seth Thomas Watch Co.

Grade: 159

Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 222941 Question Mark
Grade: 159 Question Mark
Model: 5 Question Mark
Estimated Production Year: 1904 Question Mark
Run Quantity: 400 Question Mark
Grade/Model Run: 16 of 51 Question Mark
Grade/Model Total Production: 10,650 Question Mark
Variant Est. Production: 4,850 (18S-M5-15J-ONL) Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Inlay Color: Black Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Regulator: Micrometric Question Mark
Hairspring: Breguet Question Mark
Standard Dial Type: Double-Pressed Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Movement Markings: Seth Thomas
Thomaston, Conn.
Safety Pinion.
15 Jewel
Case: Various Question Mark
Run ID: 456.159G16.18S385.185M151.O243.L437.15J138 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
32.06 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
94.22 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.752% Question Mark
Registry Population:
Scoped for This Run Only
1 (0.25%) Question Mark

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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.


Trapper 6 · October 15, 2020

Serial Number 223231 was reported as accurate.

Changes since this report was submitted:
Grade changed from 282 to 159
Jewels changed from 17j to 15j
Movement Finish changed from Two-Tone to Nickel
Adjusted changed from Yes to No
Railroad Grade changed from Yes to No

Anonymous · March 8, 2016

Serial Number 223089 was reported as inaccurate.

Note: Late 19th century American gold plated open face
keyless pocket watch, Seth Thomas - Thomaston,
Conn, 223089, the 15 jewel movement with engraved
decoration and bi-metallic cut compensated balance
with blued steel overcoil hairspring and applied
regulation scale, to a signed Arabic enamel dial
(hairlines) with 24 hour detail and outside minute
track with sunk subsidiary seconds and blued steel
hands, in a polished case with screw down back
cover, bearing contemporary initials and numbered
471301, width 1 1/8"
Changes since this report was submitted:
Grade changed from 260 to 159
Jewels changed from 21j to 15j
Adjusted changed from Yes to No
Railroad Grade changed from Yes to No
Seth Thomas Grade 159 Pocket Watch