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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/277399
Access Date: April 24, 2024
From the American Horology Archive:
Seth Thomas Grade 159 Pocket Watch
Seth Thomas Watch Co.

Grade: 159

Manufacturer: Seth Thomas
Manufacturer Location: Thomaston, Connecticut
Movement Serial Number: 277399
Grade: 159
Model: 5
Estimated Production Year: 1905
Run Quantity: 200
Grade/Model Run: 21 of 51
Grade/Model Total Production: 10,350
Variant Est. Production: 3,150 (18S-M5-15J-ONP)
Size: 18s
Jewels: 15j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Full Plate
Regulator: Patent
Hairspring: Breguet
Standard Dial Type: Double-Pressed
Adjusted: No
Railroad Grade: No
Case: Various
Run ID: 530.159G21.18S461.185M230.O319.P23.15J142
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 31.16
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 91.56
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.731%
Registry Population: 1 (0.50%)
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Production Metrics Tree: Grade 159

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

Seth Thomas Grade 159 (All Variations): 10,350 ETP
18S: 10,350 100.00%
18s, Grade 159
18S-M5: 10,350 100.00%
18s, Grade 159, Model 5
18S-M5-15J: 10,350 100.00%
18s, Grade 159, Model 5, 15 Jewels
18S-M5-15J-ONP: 3,150 30.43%
18s, Grade 159, Model 5, 15 Jewels, Openface/Pendant/Nickel 		Other: 7,200
Other Configs or Unclassified
18S-M5-15J-ONP-U: 3,150 30.43%

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.
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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.

Anonymous · March 7, 2017

Serial Number 277399 was reported as inaccurate.

Note: Additional information: Movement setting: Pendant.
15 jewels, screw-set. Full plate. Dial: Double
Sunk. Movement markings: "Seth Thomas, Thomaston,
Conn.", "15 Jewels", "Safety Pinion"
Changes since this report was submitted:
Grade changed from Unknown to 159
Movement Setting changed from Lever or Pendant to Pendant

Anonymous · March 6, 2017

Serial Number 277399 was reported as inaccurate.

Note: 277399 does not have the tripple flower finish
pattern, but stripes (same as 289723). The finish
is nickel, not two-tone.
Changes since this report was submitted:
Movement Finish changed from Two-Tone to Nickel
Movement Setting changed from Lever to Pendant
Seth Thomas Grade 159 Pocket Watch