Pocket Watch Database

From the American Horology Archive:
Elgin Grade 12 Pocket Watch
Elgin Grade 12 Pocket Watch

Elgin National Watch Co.

Grade: 12

The Chief

Manufacturer: Elgin
Manufacturer Location: Elgin, Illinois
Movement Serial Number: 531610
Grade: 12
Variation: The Chief
Model: 1
Class: 5
Estimated Production Year: 1878
Run Quantity: 1,000
Grade/Model Run: 53 of 59
Total Production: 70,255
Size: 18s
Jewels: 7j
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Barrel: Going
Train: Slow
Regulator: Plain
Adjusted: No
Railroad Grade: No
U.S. Patents: 77078
Data Research: 1896 Elgin Serial List
1904 Elgin Serial List
1915 Elgin Serial List
1927/1950 Elgin Serial List
Case: Various
Registry Population: 9 (0.90%)
Database Version: v49.432

Production Metrics Tree: Grade 12

Target Profile: 18S-M1-7J-HGK-U-THE CHIEF

Elgin Grade 12 (All Variations): 70,255 ETP
18S: 70,255 100.00%
18s, Grade 12
18S-M1: 70,255 100.00%
18s, Grade 12, Model 1
18S-M1-7J: 29,847 42.48%
18s, Grade 12, Model 1, 7 Jewels
Other: 40,408
Other Jewels or Unclassified
18S-M1-7J-HGK: 29,847 42.48%
18s, Grade 12, Model 1, 7 Jewels, Adaptable/Key/Gilt
18S-M1-7J-HGK-U: 29,847 42.48%
18S-M1-7J-HGK-U-THE CHIEF: 7,500 10.68% Other: 22,347
Other Variants or Unclassified

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 531220 #220 Marketplace September 21, 2014
2 531309 #309 Marketplace December 03, 2018
3 531458 #458 Marketplace January 17, 2013
4 531610 #610 Collection September 30, 2018
5 531736 #736 Inferred
6 531800 #800 Marketplace March 12, 2013
7 531921 #921 Marketplace December 03, 2017
8 531932 #932 Marketplace June 04, 2018
9 531937 #937 Marketplace October 26, 2021
Standard Deviation of Known Examples: 274.84 (Expected: 288.82, Δ13.98/1.40%)

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Data Verification Reports

531001
Verification Serial Map
532000

Anonymous · January 19, 2020

Serial Number 531274 was reported as accurate.

mlat2012 Supporter 50 · January 16, 2019

Serial Number 531610 was reported as accurate.

Elgin Grade 12 Pocket Watch
Elgin Grade 12 Pocket Watch