Pocket Watch Database

From the American Horology Archive:
Elgin Grade 270 Pocket Watch
Elgin Grade 270 Pocket Watch

Elgin National Watch Co.

Grade: 270

Manufacturer: Elgin
Manufacturer Location: Elgin, Illinois
Movement Serial Number: 9305503
Grade: 270
Variation: No. 270
Model: 9
Class: 98
Estimated Production Year: 1902
Run Quantity: 1,000
Grade/Model Run: 2 of 14
Total Production: 12,000
Size: 16s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Inlay Color: Gilt
Movement Setting: Lever
Plate: Bridge Plate
Bridge Type: 3-Finger
Barrel: Going
Train: Quick
Train Material: Gold
Center Wheel Material: Gold
Regulator: Moseley
Hairspring: Breguet
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Railroad Grade Classification: Class A
U.S. Patents: 77078, 596407
Data Research: 1904 Elgin Serial List
1915 Elgin Serial List
1927/1950 Elgin Serial List
Case: Various
Registry Population: 18 (1.80%)
Database Version: v49.391

Production Metrics Tree: Grade 270

Target Profile: 16S-M9-21J-ONL-A5PTI-NO. 270

Elgin Grade 270 (All Variations): 12,000 ETP
16S: 12,000 100.00%
16s, Grade 270
16S-M9: 12,000 100.00%
16s, Grade 270, Model 9
16S-M9-21J: 12,000 100.00%
16s, Grade 270, Model 9, 21 Jewels
16S-M9-21J-ONL: 12,000 100.00%
16s, Grade 270, Model 9, 21 Jewels, Openface/Lever/Nickel
16S-M9-21J-ONL-A5PTI: 12,000 100.00%
16S-M9-21J-ONL-A5PTI-NO. 270: 8,550 71.25% Other: 3,450
Other Variants or Unclassified

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 9305002 #2 Marketplace January 27, 2017
2 9305031 #31 Marketplace April 24, 2014
3 9305048 #48 Collection September 05, 2019
4 9305075 #75 Marketplace November 01, 2020
5 9305403 #403 Marketplace February 27, 2016
6 9305503 #503 Collection March 06, 2022
7 9305505 #505 Inferred
8 9305524 #524 Marketplace December 19, 2017
9 9305532 #532 Marketplace October 09, 2013
10 9305627 #627 Marketplace July 01, 2013
11 9305646 #646 Marketplace November 14, 2013
12 9305678 #678 Collection February 22, 2018
13 9305682 #682 Marketplace January 28, 2016
14 9305738 #738 Marketplace June 09, 2020
15 9305769 #769 Collection December 27, 2020
16 9305812 #812 Marketplace November 18, 2021
17 9305950 #950 Marketplace June 15, 2016
18 9305955 #955 Marketplace February 09, 2015
Standard Deviation of Known Examples: 305.75 (Expected: 288.82, Δ16.94/1.69%)

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

9305001
Verification Serial Map
9306000

cranemaker Supporter 68 · March 6, 2022

Serial Number 9305503 was reported as accurate.

Anonymous · June 12, 2021

Serial Number 9305952 was reported as accurate.

Anonymous · April 20, 2021

Serial Number 9305145 was reported as accurate.

Anonymous · January 24, 2021

Serial Number 9305854 was reported as accurate.

Anonymous · January 24, 2021

Serial Number 9305954 was reported as accurate.

Anonymous · November 1, 2020

Serial Number 9305075 was reported as accurate.

Anonymous · October 31, 2020

Serial Number 9305075 was reported as accurate.

Anonymous · October 13, 2019

Serial Number 9305753 was reported as accurate.

Anonymous · October 16, 2018

Serial Number 9305947 was reported as accurate.

Anonymous · May 19, 2018

Serial Number 9305282 was reported as accurate.

Anonymous · December 29, 2017

Serial Number 9305524 was reported as accurate.

Anonymous · August 15, 2016

Serial Number 9305020 was reported as accurate.

Anonymous · March 2, 2015

Serial Number 9305955 was reported as accurate.

Anonymous · February 11, 2015

Serial Number 9305955 was reported as accurate.

Anonymous · February 10, 2015

Serial Number 9305955 was reported as accurate.

LeroyC 392 · October 23, 2013

Serial Number 9305532 was reported as inaccurate.

Note: Not marked 'Veritas' but is marked 'No.270'
Number of 'Adjusted to Positions' not marked on
movement

Anonymous · March 3, 2013

Serial Number 9305822 was reported as accurate.

Anonymous · November 2, 2012

Serial Number 9305293 was reported as accurate.

Anonymous · July 28, 2012

Serial Number 9305612 was reported as accurate.

Anonymous · July 24, 2012

Serial Number 9305612 was reported as inaccurate.

Note: Not signed Veritas and doesn't state how many
positions adjusted
Changes since this report was submitted:
Double Roller changed from Unknown to No

Anonymous · July 24, 2012

Serial Number 9305612 was reported as accurate.

Elgin Grade 270 Pocket Watch
Elgin Grade 270 Pocket Watch