Seth Thomas Pocket Watch: Serial Number 287505 (Grade 159)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/287505

Access Date: November 15, 2024

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 159

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	287505
Grade:	159
Model:	5
Estimated Production Year:	1910
Run Quantity:	800
Grade/Model Run:	37 of 51
Grade/Model Total Production:	10,650
Variant Est. Production:	3,150 (18S-M5-15J-ONP)
Size:	18s
Jewels:	15j
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Zebra Stripe
Movement Inlay Color:	Black
Movement Setting:	Pendant
Plate:	Full Plate
Regulator:	Micrometric
Hairspring:	Breguet
Standard Dial Type:	Double-Pressed
Adjusted:	No
Railroad Grade:	No
Movement Markings:	Seth Thomas Thomaston, Conn. Safety Pinion. 15 Jewels
Case:	Various
Run ID:	576.159G37.18S505.185M271.O363.P47.15J164
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.433
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	32.06
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	94.22
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.752%
Registry Population: Scoped for This Run Only	9 (1.13%)
Research Note: #287508: Mixed Plates. Core movement appears to be 15-Jewel Grade 159 with Nickel Finish.

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Production Metrics Tree: Grade 159

Target Profile: 18S-M5-15J-ONP-U

Seth Thomas Grade 159 (All Variations): 10,650 ETP
18S: 10,650 100.00% 18s, Grade 159
18S-M5: 10,650 100.00% 18s, Grade 159, Model 5
18S-M5-15J: 10,650 100.00% 18s, Grade 159, Model 5, 15 Jewels
18S-M5-15J-ONP: 3,150 29.58% 18s, Grade 159, Model 5, 15 Jewels, Openface/Pendant/Nickel	Other: 7,500 Other Configs or Unclassified
18S-M5-15J-ONP-U: 3,150 29.58%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 9 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.