Seth Thomas Pocket Watch: Serial Number 73541 (Grade 171)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/73541

Access Date: December 24, 2024

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 171

Private Label(s) in Run:

Reton Bros. & Co. - Marinette, Wis.

What is a Private Label?

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	73541
Grade:	171
Model:	2
Estimated Production Year:	1894
Run Quantity:	100
Grade/Model Run:	15 of 23
Grade/Model Total Production:	5,195
Size:	18s
Jewels:	15j
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:	Single-Sunk
Adjusted:	No
Railroad Grade:	No
U.S. Patents:	374359
Movement Markings:	Seth Thomas Thomaston, Conn. Safety Pinion Pat'd Dec.6.'87.
Case:	Various
Run ID:	162.171G15.18S162.182M78.H78.L152.15J79
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.526
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	15.64
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	45.73
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.367%
Registry Population: Scoped for This Run Only	1 (1.00%)

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Production Metrics Tree: Grade 171

Target Profile: 18S-M2-15J-HNL-U

Seth Thomas Grade 171 (All Variations): 5,195 ETP

18S: 5,195 100.00%
18s, Grade 171

18S-M2: 5,195 100.00%
18s, Grade 171, Model 2

18S-M2-15J: 5,195 100.00%
18s, Grade 171, Model 2, 15 Jewels

18S-M2-15J-HNL: 5,195 100.00%
18s, Grade 171, Model 2, 15 Jewels, Hunting/Lever/Nickel

18S-M2-15J-HNL-U: 5,195 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There is 1 watch in the population registry for this run with 1 image. 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.

Anonymous · February 11, 2024

Serial Number 73546 was reported as inaccurate.

Note: This one is marked, KERZ BROS. GALENA, ILL. BOTH
MOVEMENT AND DIAL.

cougwatch Supporter 125 · January 10, 2019

Serial Number 73541 was reported as inaccurate.

Note: Grade fits 151or171or197or202, 15J micrometer
regulator, Nickle finish

Curator Response: Thanks for the report and images. Since it is not marked adjusted, the movement would be classified as a Grade 152 (after c.1893) or 171 (prior to c.1893). Both Grades are characterized as 18-Size, Model 2, Nickel, 15-Jewels in Settings, Unadjusted with a Micrometric Regulator.

Changes since this report was submitted:

Grade changed from 34 to 171

Jewels changed from 7J to 15j

Movement Finish changed from Gilt to Nickel