South Bend Pocket Watch: Serial Number 500987 (Grade 281)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/southbend/500987

Access Date: May 29, 2023

From the American Horology Archive:

South Bend Watch Co.

Grade: 281

Manufacturer:	South Bend
Manufacturer Location:	South Bend, Indiana
Movement Serial Number:	500987
Grade:	281
Model:	1
Estimated Production Year:	1908
Run Quantity:	1,000
Grade/Model Run:	10 of 14
Grade/Model Total Production:	12,400
Size:	16s
Jewels:	15j
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	3/4 Plate
Railroad Grade:	No
Data Research:	1917 South Bend Serial List
Case:	Various
Database Version:	v50.828
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	36.03
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	128.13
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	1.442%
Registry Population:	12 (1.20%)

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Production Metrics Tree: Grade 281

Target Profile: 16S-M1-15J-ONL-U

South Bend Grade 281 (All Variations): 12,400 ETP

16S: 12,400 100.00%
16s, Grade 281

16S-M1: 12,400 100.00%
16s, Grade 281, Model 1

16S-M1-15J: 12,400 100.00%
16s, Grade 281, Model 1, 15 Jewels

16S-M1-15J-ONL: 12,400 100.00%
16s, Grade 281, Model 1, 15 Jewels, Openface/Lever/Nickel

16S-M1-15J-ONL-U: 12,400 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1		500046	#46	Marketplace	May 15, 2022
2		500175	#175	Inferred
3		500228	#228	Marketplace	May 11, 2017
4		500276	#276	Marketplace	January 11, 2013
5		500349	#349	Collection	December 23, 2015
6		500531	#531	Collection	February 03, 2021
7	Image Credit: Rickglick1	500696	#696	Collection	June 26, 2022
8		500858	#858	Marketplace	July 22, 2016
9		500871	#871	Marketplace	March 17, 2014
10		500873	#873	Marketplace	January 12, 2018
11	Image Credit: dfurtado	500883	#883	Collection	September 06, 2019
12	Image Credit: Scuba75	500987	#987	Collection	June 03, 2020
Standard Deviation of Known Examples: 335.35 (Expected: 288.82, Δ46.53/4.65%)

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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.