Seth Thomas Pocket Watch: Serial Number 87568 (Grade 180)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/87568

Access Date: April 26, 2024

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 180

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	87568
Grade:	180
Model:	2
Estimated Production Year:	1895
Run Quantity:	90
Grade/Model Run:	2 of 6
Grade/Model Total Production:	990
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:	Breguet
Adjusted:	Yes
U.S. Patents:	374359
Movement Markings:	Seth Thomas Thomaston, Conn. Safety Pinion Pat'd Dec.6.'87. 17 J. Adjusted
Case:	Various
Run ID:	191.180G2.18S189.182M98.H98.L176.17J17
Database Version:	v52.245
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	2.98
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	8.36
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.070%
Registry Population:	3 (3.33%)

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Production Metrics Tree: Grade 180

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

Seth Thomas Grade 180 (All Variations): 990 ETP

18S: 990 100.00%
18s, Grade 180

18S-M2: 990 100.00%
18s, Grade 180, Model 2

18S-M2-17J: 990 100.00%
18s, Grade 180, Model 2, 17 Jewels

18S-M2-17J-HNL: 990 100.00%
18s, Grade 180, Model 2, 17 Jewels, Hunting/Lever/Nickel

18S-M2-17J-HNL-A: 990 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.