Seth Thomas Pocket Watch: Serial Number 77777 (Grade 506)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/77777

Access Date: May 10, 2025

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 506

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	77777
Grade:	506
Model:	3
Estimated Production Year:	Login to View for Free
Run Quantity:	Login to View for Free
Grade/Model Run:	Login to View for Free
Grade/Model Total Production:	Login to View for Free
Variant Est. Production:	Login to View for Free
Size:	18s
Jewels:	17j
Jewel Setting:	Login to View for Free
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Lever
Wind Mechanism:	Pendant
Plate:	3/4 Plate
Balance Type:	Expansion
Regulator:	Login to View for Free
Hairspring:	Login to View for Free
Standard Dial Type:	Login to View for Free
Adjusted:	Yes
Adjusted to Position:	Yes
Movement Markings:	Login to View for Free
Case:	Various
Run ID:	171.506G4.18S171.183M69.O79.L161.17J17
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.645
Advanced Metrics
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Registry Population: Scoped for This Run Only	5 (1.25%)

10 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Variant Est. Production, Jewel Setting, Regulator Type, Hairspring, Standard Dial Type, Movement Markings

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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 451 · May 7, 2025

Serial Number 77777 was reported as inaccurate.

Note: Grade: 33
Jewels: 7
Movement Finish: Gilt
Regulator: Plain/Simple
Adjusted: No
Movement Markings: Seth Thomas
Thomaston, Conn.
Safety Pinion

Anonymous · February 14, 2022

Serial Number 77967 was reported as accurate.

Changes since this report was submitted:

Jewels changed from 16j or 17j to 17j

Anonymous · November 27, 2020

Serial Number 77844 was reported as accurate.

Changes since this report was submitted:

Jewels changed from 16j or 17j to 17j

Anonymous · July 19, 2020

Serial Number 77605 was reported as inaccurate.

Note: Gilt finish 7jewel

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:

Jewels changed from 16j or 17j to 17j

Anonymous · July 16, 2017

Serial Number 77842 was reported as accurate.

Changes since this report was submitted:

Jewels changed from 16j or 17j to 17j

ngupaan 95 · November 11, 2016

Serial Number 77842 was reported as inaccurate.

Note: This is not a Grade 506 but a Grade 179

Curator Response: In the 1896 Becken catalog, grade 506 is described as having a double-sunk dial, whereas grade 179 does not. Therefore, this particular watch matches grade 506 more cosely.

Changes since this report was submitted:

Jewels changed from 16j or 17j to 17j