Seth Thomas Pocket Watch: Serial Number 66677 (Grade 170)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/66677/movement

Access Date: November 08, 2024

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 170

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	66677
Grade:	170
Model:	3
Estimated Production Year:	1893
Run Quantity:	200
Grade/Model Run:	4 of 9
Grade/Model Total Production:	2,080
Size:	18s
Jewels:	15j
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
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
Movement Markings:	Seth Thomas Thomaston, Conn. Safety Pinion
Case:	Various
Run ID:	128.170G4.18S128.183M49.O59.L118.15J62
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.428
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	6.26
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	18.04
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.147%
Registry Population: Scoped for This Run Only	3 (1.50%)
Research Note:

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Production Metrics Tree: Grade 170

Target Profile: 18S-M3-15J-ONL-U

Seth Thomas Grade 170 (All Variations): 2,080 ETP

18S: 2,080 100.00%
18s, Grade 170

18S-M3: 2,080 100.00%
18s, Grade 170, Model 3

18S-M3-15J: 2,080 100.00%
18s, Grade 170, Model 3, 15 Jewels

18S-M3-15J-ONL: 2,080 100.00%
18s, Grade 170, Model 3, 15 Jewels, Openface/Lever/Nickel

18S-M3-15J-ONL-U: 2,080 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 3 watches in the population registry for this run with 3 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.