Seth Thomas Pocket Watch: Serial Number 721370 (Grade 106)

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Seth Thomas, 18s, 11J, grade 106, mov#713725 Pocket Watch [Not working]

Check Price Source: eBay.com

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/721370

Access Date: March 24, 2025

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 106

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	721370
Grade:	106
Model:	8
Estimated Production Year:	1903
Run Quantity:	300
Grade/Model Run:	5 of 21
Grade/Model Total Production:	19,050
Variant Est. Production:	15,850 (18S-M8-11J-OTL)
Size:	18s
Jewels:	11j
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Two-Tone
Finish Pattern:	Outter Circle
Movement Setting:	Lever
Plate:	3/4 Plate
Regulator:	Plain
Hairspring:	Breguet
Adjusted:	No
Railroad Grade:	No
Movement Markings:	Seth Thomas Thomaston, Conn. Safety Pinion
Case:	Various
Run ID:	878.106G15.18S756.188M27.O506.L781.11J102
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.624
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	57.35
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	168.89
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	1.344%
Registry Population: Scoped for This Run Only	2 (0.67%)

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Production Metrics Tree: Grade 106

Target Profile: 18S-M8-11J-OTL-U

Seth Thomas Grade 106 (All Variations): 33,450 ETP
18S: 33,450 100.00% 18s, Grade 106
18S-M8: 19,050 56.95% 18s, Grade 106, Model 8		Other: 14,400 Other Models or Unclassified
18S-M8-11J: 19,050 56.95% 18s, Grade 106, Model 8, 11 Jewels
18S-M8-11J-OTL: 15,850 47.38% 18s, Grade 106, Model 8, 11 Jewels, Openface/Lever/Two-Tone	Other: 3,200 Other Configs or Unclassified
18S-M8-11J-OTL-U: 15,850 47.38%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 2 watches 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.