Seth Thomas Pocket Watch: Serial Number 500246 (Grade 508)

Sell Your Watch Save to My Collection Print Page Find a Mainspring Find a Balance Staff

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/500246/link

Access Date: November 15, 2024

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 508

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	500246
Grade:	508
Model:	2
Estimated Production Year:	1899
Run Quantity:	50
Grade/Model Run:	7 of 7
Grade/Model Total Production:	560
Variant Est. Production:	450 (18S-M2-17J)
Size:	18s
Jewels:	17j
Jewel Setting:	Screw-Set
Movement Configuration:	Hunting
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	3/4 Plate
Balance Type:	Expansion
Regulator:	Reed
Hairspring:	Flat
Standard Dial Type:	Double-Sunk
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
U.S. Patents:	374359
Movement Markings:	Seth Thomas Thomaston, Conn. Safety Pinion Pat'd Dec.6.'87. Adjusted to Temperature & Position
Case:	Various
Run ID:	677.508G7.18S558.182M129.H246.L591.17J196
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.433
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	1.68
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	4.53
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.040%
Registry Population: Scoped for This Run Only	4 (8.00%)
Research Note: #500246: Verified as 17-Jewel Movement (lower center wheel not jeweled, upper escape wheel cap-jeweled).

Value Guide

What is My Watch Worth?

Have a Question?

Ask the experts in The Pocket Watch Group

Production Metrics Tree: Grade 508

Target Profile: 18S-M2-17J-HNL-A0PTI

Seth Thomas Grade 508 (All Variations): 560 ETP
18S: 560 100.00% 18s, Grade 508
18S-M2: 560 100.00% 18s, Grade 508, Model 2
18S-M2-17J: 450 80.36% 18s, Grade 508, Model 2, 17 Jewels	Other: 110 Other Jewels or Unclassified
18S-M2-17J-HNL: 450 80.36% 18s, Grade 508, Model 2, 17 Jewels, Hunting/Lever/Nickel
18S-M2-17J-HNL-A0PTI: 450 80.36%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 4 watches in the population registry for this run with 2 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Yes

Why Might This Information Be Incorrect?

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.