Pocket Watch Database

From the American Horology Archive:
Seth Thomas Grade 508 Pocket Watch

Seth Thomas Watch Co.

Grade: 508

Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 90934 Question Mark
Grade: 508 Question Mark
Model: 2 Question Mark
Estimated Production Year: 1895 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 6 of 7 Question Mark
Grade/Model Total Production: 560 Question Mark
Variant Est. Production: 450 (18S-M2-17J) Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Balance Type: Expansion Question Mark
Regulator: Patent Question Mark
Hairspring: Flat Question Mark
Standard Dial Type: Double-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
U.S. Patents: 374359 Question Mark
Case: Various Question Mark
Run ID: 208.508G6.18S206.182M109.H109.L191.17J23 Question Mark
Data Research: 1904 Seth Thomas Serial List
Question Mark
Database Version: v52.636 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1.69 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
4.53 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.040% Question Mark
Registry Population:
Scoped for This Run Only
1 (1.00%) 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.


Anonymous · November 17, 2017

Serial Number 90934 was reported as inaccurate.

Note: Sorry. Marked on mainspring barrel plate" adjusted
to tempeture and position"8. It has a micro whip
style regulator..the dial is the same type you
see on the ones marked "Henry molineux" double
sunk Roman numbers with Seth Thomas in fancy
script letting. Open morning glory hands.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection so we can take a closer look.
Changes since this report was submitted:
Grade changed from Unknown to 508
Jewels changed from 16j to 17j

Anonymous · November 17, 2017

Serial Number 90934 was reported as inaccurate.

Note: Also add gold jewel settings, raised gold jewel
setting on top of center gear arbor with three
screws holding it to the plate. Snowflake and
other various damaskeen designs.
Changes since this report was submitted:
Grade changed from Unknown to 508
Jewels changed from 16j to 17j

Anonymous · November 16, 2017

Serial Number 90934 was reported as inaccurate.

Note: It's 18size model 2 with 16 jewels. Top jewels in
gold settings. Naked on Harrell bridge "adjusted
to temp and position. It's hunter case Movt. Gold
timing screws. Fancy snowflake engraving on
plates. Flat hairspring. Double sunk dial with
Seth Thomas letting in fancy script.
Changes since this report was submitted:
Grade changed from Unknown to 508
Movement Finish changed from Gilt or Nickel to Nickel
Seth Thomas Grade 508 Pocket Watch