Seth Thomas Pocket Watch: Serial Number 55138 (Grade Henry Molineux)

Sell Your Watch Save to My Collection Print Page Find a Mainspring Find a Balance Staff

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/55138

Access Date: December 11, 2024

From the American Horology Archive:

Seth Thomas Watch Co.

Grade: Henry Molineux

Manufacturer:	Seth Thomas
Manufacturer Location:	Thomaston, Connecticut
Movement Serial Number:	55138
Grade:	Henry Molineux
Model:	2
Estimated Production Year:	1890
Run Quantity:	200
Grade/Model Run:	1 of 6
Grade/Model Total Production:	370
Variant Est. Production:	280 (18S-M2-17J)
Size:	18s
Jewels:	17j
Jewel Material:	Ruby
Jewel Setting:	Screw-Set
Movement Configuration:	Hunting
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	3/4 Plate
Balance Type:	Expansion
Regulator:	Reed
Hairspring:	Breguet
Standard Dial Type:	Double-Sunk
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
U.S. Patents:	440877, 374359
Movement Markings:	Henry Molineux Thomaston, Conn. Safety Pinion Pat'd Dec.6.'87. Adjusted
Case:	Various
Run ID:	91.G4.18S91.182M38.H38.L86.17J4
Data Research:	1904 Seth Thomas Serial List
Database Version:	v52.505
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	1.11
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	2.84
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.027%
Registry Population: Scoped for This Run Only	13 (6.50%)

Value Guide

What is My Watch Worth?

Have a Question?

Ask the experts in The Pocket Watch Group

Production Metrics Tree: Grade Henry Molineux

Target Profile: 18S-M2-17J-HNL-APTI

Seth Thomas Grade Henry Molineux (All Variations): 630 ETP
18S: 630 100.00% 18s, Grade Henry Molineux
18S-M2: 370 58.73% 18s, Grade Henry Molineux, Model 2		Other: 260 Other Models or Unclassified
18S-M2-17J: 280 44.44% 18s, Grade Henry Molineux, Model 2, 17 Jewels	Other: 90 Other Jewels or Unclassified
18S-M2-17J-HNL: 280 44.44% 18s, Grade Henry Molineux, Model 2, 17 Jewels, Hunting/Lever/Nickel
18S-M2-17J-HNL-APTI: 280 44.44%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 13 watches in the population registry for this run with 11 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Yes

Why Might This Information Be Incorrect?

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.