Seth Thomas Pocket Watch: Serial Number 728521 (Grade 207)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/728521

Access Date: April 18, 2024

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 207

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	728521
Grade:	207
Model:	9
Estimated Production Year:	1903
Run Quantity:	100
Grade/Model Run:	2 of 9
Grade/Model Total Production:	4,100
Variant Est. Production:	2,700 (18S-M9-15J-HTL)
Size:	18s
Jewels:	15j
Jewel Setting:	Screw-Set
Movement Configuration:	Hunting
Movement Finish:	Two-Tone
Movement Setting:	Lever
Plate:	3/4 Plate
Regulator:	Patent
Hairspring:	Breguet
Standard Dial Type:	Single-Sunk
Adjusted:	No
Railroad Grade:	No
Case:	Various
Run ID:	866.207G4.18S751.189M24.H343.L771.15J206
Database Version:	v52.235
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	12.34
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	36.00
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.290%
Registry Population:	1 (1.00%)

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Production Metrics Tree: Grade 207

Target Profile: 18S-M9-15J-HTL-U

Seth Thomas Grade 207 (All Variations): 4,600 ETP
18S: 4,600 100.00% 18s, Grade 207
18S-M9: 4,100 89.13% 18s, Grade 207, Model 9		Other: 500 Other Models or Unclassified
18S-M9-15J: 4,100 89.13% 18s, Grade 207, Model 9, 15 Jewels
18S-M9-15J-HTL: 2,700 58.70% 18s, Grade 207, Model 9, 15 Jewels, Hunting/Lever/Two-Tone	Other: 1,400 Other Configs or Unclassified
18S-M9-15J-HTL-U: 2,700 58.70%

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.

bobone 22 · May 10, 2020

Serial Number 728521 was reported as inaccurate.

Note: Serial 728521 is marked 15 jewels

Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Changes since this report was submitted:

Grade changed from 37 to 207

Jewels changed from 7J to 15j