Elgin Pocket Watch: Serial Number S52055 (Grade 571)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/elgin/S52055

Access Date: January 30, 2023

From the American Horology Archive:

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

Value Guide

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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.