Seth Thomas Pocket Watch: Serial Number 98707 (Grade 102)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/98707/movement

Access Date: November 28, 2024

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: 102

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	98707
Grade:	102
Model:	2
Estimated Production Year:	1895
Run Quantity:	200
Grade/Model Run:	5 of 5
Grade/Model Total Production:	450
Size:	18s
Jewels:	15j
Jewel Setting:	Screw-Set
Movement Configuration:	Hunting
Movement Finish:	Gilt
Movement Setting:	Lever
Plate:	3/4 Plate
Balance Type:	Expansion
Regulator:	Reed
Hairspring:	Flat
Standard Dial Type:	Double-Sunk
Adjusted:	Yes
U.S. Patents:	374359
Movement Markings:	Seth Thomas Thomaston, Conn. Safety Pinion Pat'd Dec.6.'87. Adjusted
Case:	Various
Run ID:	231.102G5.18S229.182M125.H125.L213.15J99
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.467
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	1.35
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	3.56
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.032%
Registry Population: Scoped for This Run Only	1 (0.50%)
Research Note: Seth Thomas Factory Model Lists designate 98701-99300 as Model 3 (Open Face). However, #98707 has been verified as a Model 2 marked "Adjusted" with a double-sunk dial [Grade 102] (As long as the serial number is #98707 and not #93707). #98956 has also been reported as a Model 2 gilt movement marked "Adjusted" [Unverified], providing additional support. #98914: Verified as Model 3 Grade 33, suggesting a possible mixed run that requires further research and analysis.

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Production Metrics Tree: Grade 102

Target Profile: 18S-M2-15J-HGL-A

Seth Thomas Grade 102 (All Variations): 450 ETP

18S: 450 100.00%
18s, Grade 102

18S-M2: 450 100.00%
18s, Grade 102, Model 2

18S-M2-15J: 450 100.00%
18s, Grade 102, Model 2, 15 Jewels

18S-M2-15J-HGL: 450 100.00%
18s, Grade 102, Model 2, 15 Jewels, Hunting/Lever/Gilt

18S-M2-15J-HGL-A: 450 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.