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: 20072986
Grade: 315
Model: 3
Class: 114
Estimated Production Year: 1918
Run Quantity: 2,000
Grade/Model Run: 144 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: 5 (0.25%)
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 20071652 #652 Collection August 05, 2020
2 20071705 #705 Marketplace July 15, 2015
3 20071806 #806 Marketplace March 25, 2021
4 20071984 #984 Marketplace March 23, 2021
5 20072986 #1986 Collection March 04, 2018
Standard Deviation of Known Examples: 551.06 (Expected: 577.49, Δ26.43/1.32%)

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

20071001
Verification Serial Map
20073000

Anonymous · August 29, 2021

Serial Number 20071859 was reported as accurate.

Olmacangus 11 · May 30, 2019

Serial Number 20072818 was reported as accurate.

colitinmo 1 · December 3, 2014

Serial Number 20071658 was reported as accurate.

Elgin Grade 315 Pocket Watch