Waltham Pocket Watch: Serial Number 203061 (Grade Wm. Ellery)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/203061

Access Date: June 07, 2023

From the American Horology Archive:

American Waltham Watch Co.

Grade: Wm. Ellery

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	203061
Grade:	Wm. Ellery
Model:	1857
Estimated Production Date:	December 1865 - January 1866
Run Quantity:	1,000
Grade/Model Total Production:	201,607
Size:	18s
Jewels:	7j
Movement Configuration:	Adaptable
Movement Finish:	Gilt
Movement Setting:	Key
Plate:	Full Plate
Balance Type:	Solid
Balance Material:	Steel
Adjusted:	No
Railroad Grade:	No
Data Research:	c.1900 Waltham Factory Ledger Book 1 [NAWCC] c.1900 Waltham Factory Ledgers [Ehrhardt Transcription] 1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest
Case:	Various
Database Version:	v50.869
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	555.03
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	523.25
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.572%
Registry Population:	13 (1.30%)

Value Guide

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1		203013	#13	Marketplace	January 13, 2016
2		203080	#80	Collection	November 12, 2021
3		203126	#126	Marketplace	September 06, 2020
4		203382	#382	Inferred
5		203457	#457	Inferred
6		203503	#503	Marketplace	November 20, 2012
7		203558	#558	Marketplace	July 18, 2021
8		203609	#609	Inferred
9		203658	#658	Marketplace	June 11, 2017
10		203730	#730	Inferred
11		203749	#749	Marketplace	June 13, 2022
12	Image Credit: mbellich	203752	#752	Collection	February 05, 2023
13		203908	#908	Marketplace	December 22, 2011
Standard Deviation of Known Examples: 282.00 (Expected: 288.82, Δ6.82/0.68%)

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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 · June 13, 2022

Serial Number 203749 was reported as accurate.