Seth Thomas Pocket Watch: Serial Number 64900 (Grade 170)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/64900

Access Date: November 22, 2024

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 170

Private Label(s) in Run:

A.F. Robbins - Orange, Mass.

L. de Lorenzi - Mishawanka, Ind.

What is a Private Label?

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	64900
Grade:	170
Model:	3
Estimated Production Year:	1893
Run Quantity:	250
Grade/Model Run:	3 of 9
Grade/Model Total Production:	2,080
Size:	18s
Jewels:	15j
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	3/4 Plate
Balance Type:	Expansion
Regulator:	Reed
Hairspring:	Flat
Standard Dial Type:	Single-Sunk
Adjusted:	No
Railroad Grade:	No
Movement Markings:	Seth Thomas Thomaston, Conn. Safety Pinion
Case:	Various
Run ID:	118.170G3.18S118.183M46.O56.L109.15J55
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.450
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	6.26
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	18.04
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.147%
Registry Population: Scoped for This Run Only	3 (1.20%)

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Production Metrics Tree: Grade 170

Target Profile: 18S-M3-15J-ONL-U

Seth Thomas Grade 170 (All Variations): 2,080 ETP

18S: 2,080 100.00%
18s, Grade 170

18S-M3: 2,080 100.00%
18s, Grade 170, Model 3

18S-M3-15J: 2,080 100.00%
18s, Grade 170, Model 3, 15 Jewels

18S-M3-15J-ONL: 2,080 100.00%
18s, Grade 170, Model 3, 15 Jewels, Openface/Lever/Nickel

18S-M3-15J-ONL-U: 2,080 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 3 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

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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.

SethThomasFan Top Contributor Seth Thomas Expert Supporter 395 · August 30, 2024

Serial Number 64900 was reported as inaccurate.

Note: Movement Markings: J.E. Jarck
Danville, VA.

SethThomasFan Top Contributor Seth Thomas Expert Supporter 395 · January 8, 2023

Serial Number 64895 was reported as inaccurate.

Note: This is a Private Label watch the movement
markings are:
A. F. Robbins
ORANGE, MASS.
Safety Pinion

Curator Response: Thanks for the report. The database has been updated accordingly.

Changes since this report was submitted:

Grade changed from 179 to 170

Jewels changed from 17j to 15j

Adjusted changed from Yes to No

rtwatches 943 · July 11, 2019

Serial Number 64997 was reported as inaccurate.

Note: Marked L. de Lorenzi
Mishawanka, Ind.
Safety Pinion

Not marked as to jewel count, the center wheel
isn't jeweled at the plate so it is likely 15
jewels or less.

Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Changes since this report was submitted:

Grade changed from 179 to 170

Jewels changed from 17j to 15j

Adjusted changed from Yes to No