Pocket Watch Database

From the American Horology Archive:
Elgin Grade 315 Pocket Watch

Elgin National Watch Co.

Grade: 315

Manufacturer: Elgin
Manufacturer Location: Elgin, Illinois
Movement Serial Number: 20013001
Grade: 315
Model: 3
Class: 114
Estimated Production Year: 1917
Run Quantity: 3,000
Grade/Model Run: 143 of 329
Total Production: 1,033,900
Size: 12s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Double Roller: Yes
Barrel: Going
Balance Type: Expansion
Balance Jewel Material: Ruby
Train: Quick
Regulator: Moseley
Hairspring: Breguet
Standard Dial Type: Single-Sunk
Adjusted: No
Railroad Grade: No
U.S. Patents: 596407, 77078, 585025
Data Research: 1927/1950 Elgin Serial List
Case: Various
Registry Population: 13 (0.43%)
Database Version: v49.428

Production Metrics Tree: Grade 315

Target Profile: 12S-M3-15J-ONP-U

Elgin Grade 315 (All Variations): 1,033,900 ETP
12S: 1,033,900 100.00%
12s, Grade 315
12S-M3: 1,033,900 100.00%
12s, Grade 315, Model 3
12S-M3-15J: 1,033,900 100.00%
12s, Grade 315, Model 3, 15 Jewels
12S-M3-15J-ONP: 1,033,900 100.00%
12s, Grade 315, Model 3, 15 Jewels, Openface/Pendant/Nickel
12S-M3-15J-ONP-U: 1,033,900 100.00%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 20013001 #1 Collection November 18, 2014
2 20013063 #63 Marketplace February 04, 2020
3 20013092 #92 Marketplace April 11, 2021
4 20013405 #405 Marketplace January 23, 2022
5 20014232 #1232 Marketplace August 27, 2016
6 20014332 #1332 Marketplace May 24, 2013
7 20014403 #1403 Marketplace February 15, 2015
8 20014455 #1455 Marketplace January 12, 2014
9 20014553 #1553 Marketplace September 15, 2015
10 20014724 #1724 Collection February 18, 2014
11 20014911 #1911 Marketplace December 31, 2018
12 20015192 #2192 Marketplace May 20, 2015
13 20015896 #2896 Marketplace December 16, 2021
Standard Deviation of Known Examples: 887.25 (Expected: 866.17, Δ21.08/0.70%)

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Data Verification Reports

20013001
Verification Serial Map
20016000

Anonymous · December 24, 2020

Serial Number 20013776 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · January 18, 2020

Serial Number 20015560 was reported as accurate.

Ken1982 120 · July 1, 2019

Serial Number 20015915 was reported as accurate.

Anonymous · May 16, 2017

Serial Number 20014584 was reported as accurate.

thinkpink4733 13 · November 18, 2014

Serial Number 20013001 was reported as accurate.

Anonymous · June 19, 2013

Serial Number 20015054 was reported as accurate.

Anonymous · January 31, 2013

Serial Number 20013488 was reported as accurate.

Anonymous · December 14, 2012

Serial Number 20015263 was reported as accurate.

Elgin Grade 315 Pocket Watch