Seth Thomas Pocket Watch: Serial Number 505818 (Grade 152)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/505818/movement

Access Date: May 20, 2024

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 152

Private Label(s) in Run:

Wallace & Simmons - Providence, R.I.

What is a Private Label?

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	505818
Grade:	152
Model:	2
Estimated Production Year:	1899
Run Quantity:	5
Grade/Model Run:	2 of 4
Grade/Model Total Production:	1,605
Size:	18s
Jewels:	15j
Movement Configuration:	Hunting
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	3/4 Plate
Balance Type:	Expansion
Regulator:	Reed
Hairspring:	Flat
Adjusted:	No
Railroad Grade:	No
U.S. Patents:	374359
Movement Markings:	[Private Label] Safety Pinion Pat'd Dec.6.'87.
Case:	Various
Run ID:	685.152G2.18S569.182M140.H254.L599.15J189
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.294
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	4.83
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	13.82
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.113%
Registry Population:	1 (20.00%)

Value Guide

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Production Metrics Tree: Grade 152

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

Seth Thomas Grade 152 (All Variations): 1,605 ETP

18S: 1,605 100.00%
18s, Grade 152

18S-M2: 1,605 100.00%
18s, Grade 152, Model 2

18S-M2-15J: 1,605 100.00%
18s, Grade 152, Model 2, 15 Jewels

18S-M2-15J-HNL: 1,605 100.00%
18s, Grade 152, Model 2, 15 Jewels, Hunting/Lever/Nickel

18S-M2-15J-HNL-U: 1,605 100.00%

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.