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: 20135298
Grade: 315
Model: 3
Class: 114
Estimated Production Year: 1918
Run Quantity: 3,000
Grade/Model Run: 145 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: 15 (0.50%)
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 20133312 #312 Marketplace May 05, 2013
2 20133463 #463 Marketplace June 18, 2013
3 20133464 #464 Marketplace March 13, 2020
4 20134216 #1216 Marketplace December 19, 2020
5 20134336 #1336 Marketplace October 18, 2022
6 20134837 #1837 Marketplace November 22, 2017
7 20134925 #1925 Marketplace July 04, 2015
8 20135081 #2081 Marketplace September 01, 2013
9 20135181 #2181 Marketplace January 18, 2015
10 20135238 #2238 Marketplace August 07, 2013
11 20135298 #2298 Collection August 06, 2018
12 20135340 #2340 Marketplace September 26, 2017
13 20135470 #2470 Marketplace May 03, 2016
14 20135694 #2694 Marketplace December 07, 2020
15 20135873 #2873 Inferred
Standard Deviation of Known Examples: 832.81 (Expected: 866.17, Δ33.36/1.11%)

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

20133001
Verification Serial Map
20136000

Anonymous · August 1, 2020

Serial Number 20133108 was reported as accurate.

lee571 Supporter 67 · January 1, 2020

Serial Number 20135183 was reported as accurate.

Tompepe 1 · December 6, 2019

Serial Number 20135958 was reported as accurate.

Anonymous · November 29, 2019

Serial Number 20135958 was reported as accurate.

Anonymous · November 29, 2019

Serial Number 20135958 was reported as accurate.

texnet Supporter 684 · August 6, 2018

Serial Number 20135298 was reported as accurate.

rjcullis 114 · September 27, 2017

Serial Number 20135340 was reported as accurate.

cmdraven 3502 · September 26, 2017

Serial Number 20135340 was reported as accurate.

Anonymous · November 25, 2016

Serial Number 20134837 was reported as accurate.

Anonymous · August 7, 2016

Serial Number 20133761 was reported as accurate.

Anonymous · February 18, 2016

Serial Number 20134606 was reported as accurate.

Anonymous · May 18, 2013

Serial Number 20133312 was reported as accurate.

Anonymous · August 22, 2012

Serial Number 20133362 was reported as accurate.

Elgin Grade 315 Pocket Watch