Seth Thomas Pocket Watch: Serial Number 9642 (Grade 55)

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Antique Working 1885 SETH THOMAS Gents Victorian Private Label Pocket Watch 18s

Check Price Source: eBay.com

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/9642

Access Date: May 10, 2025

We noticed that you entered a relatively short serial number.
"9642" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 55

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	9642
Grade:	55
Variation:	Login to View for Free
Model:	1
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:	11j
Jewel Setting:	Login to View for Free
Movement Configuration:	Openface
Movement Finish:	Gilt
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:	No
Railroad Grade:	Login to View for Free
U.S. Patents:	Login to View for Free
Movement Markings:	Login to View for Free
Case:	Various
Run ID:	10.55G3.18S10.181M10.O10.L10.11J8
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.645
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population: Scoped for This Run Only	15 (1.00%)
Research Note: End Point Based on Material Catalogs. Many of the surviving examples are missing the regulator spring, but the steady and screw holes are still evident to the left side of the regulator arm.

13 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Variation, Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Variant Est. Production, Jewel Setting, Regulator Type, Hairspring, Standard Dial Type, Railroad Grade Designation, U.S. Patents, Movement Markings

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 15 watches in the population registry for this run with 10 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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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.