Pocket Watch Database

From the American Horology Archive:
Elgin Grade 571 Pocket Watch

Elgin National Watch Co.

Grade: 571

B.W. Raymond - 8 or 9 Adjustments

Manufacturer: Elgin
Manufacturer Location: Elgin, Illinois
Movement Serial Number: S52055
Grade: 571
Model: 20
Estimated Production Year: 1952
Run Quantity: 2,000
Grade/Model Run: 4 of 26
Grade/Model Total Production: 564,000
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Going
Train: Quick
Regulator: Ball
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
U.S. Patents: 77078
Case: Various
Registry Population: 3 (0.15%)
Database Version: v49.716

Production Metrics Tree: Grade 571

Target Profile: 16S-M20-21J-ONL-A6PTI

Elgin Grade 571 (All Variations): 563,000 ETP
16S: 563,000 100.00%
16s, Grade 571
16S-M20: 563,000 100.00%
16s, Grade 571, Model 20
16S-M20-21J: 563,000 100.00%
16s, Grade 571, Model 20, 21 Jewels
16S-M20-21J-ONL: 563,000 100.00%
16s, Grade 571, Model 20, 21 Jewels, Openface/Lever/Nickel
16S-M20-21J-ONL-A6PTI: 563,000 100.00%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1
Image Credit: hudnic
S52055 #55 Collection May 03, 2017
2 S52616 #616 Collection May 26, 2015
3 S52809 #809 Collection September 13, 2019
Standard Deviation of Known Examples: 391.68 (Expected: 577.49, Δ185.81/9.29%)

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Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.


Anonymous · November 2, 2021

Serial Number S52502 was reported as accurate.

Anonymous · September 22, 2021

Serial Number S52714 was reported as accurate.

Anonymous · August 23, 2021

Serial Number S52061 was reported as accurate.

Anonymous · June 25, 2018

Serial Number S52110 was reported as accurate.

propwelder 30 · June 23, 2018

Serial Number S52110 was reported as accurate.

cmdraven 3542 · May 4, 2018

Serial Number S52110 was reported as accurate.

hudnic Supporter 78 · May 3, 2017

Serial Number S52055 was reported as accurate.

hudnic Supporter 78 · May 3, 2017

Serial Number S52055 was reported as accurate.

Clocks757 18 · May 12, 2015

Serial Number S52616 was reported as accurate.

Clocks757 18 · May 12, 2015

Serial Number S52616 was reported as accurate.

Clocks757 18 · May 12, 2015

Serial Number S52616 was reported as accurate.

Clocks757 18 · May 12, 2015

Serial Number S52616 was reported as accurate.

Clocks757 18 · May 12, 2015

Serial Number S52616 was reported as accurate.

bman8030 54 · March 3, 2015

Serial Number S52433 was reported as inaccurate.

Note: 9 adjustments
Curator Response: 9 Adjustments = 6 Positions, Heat, Cold, Isochronism.
Changes since this report was submitted:
Adjusted # Positions changed from 8 to 6

Anonymous · June 17, 2012

Serial Number S52061 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from No to Yes
Adjusted # Positions changed from 5 to 6
Elgin Grade 571 Pocket Watch