Waltham Pocket Watch: Serial Number 18150170 (Grade Vanguard)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/18150170/movement

Access Date: November 27, 2024

From the American Horology Archive:

American Waltham Watch Co.

Grade: Vanguard

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	18150170
Grade:	Vanguard
Model:	1908
Estimated Production Year:	1911
Run Quantity:	500
Grade/Model Run:	33 of 123
Grade/Model Total Production:	182,450
Size:	16s
Jewels:	23j
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	Bridge Plate
Regulator:	Ohlson 1908
Hairspring:	Breguet
Adjusted:	Yes
Adjusted to Position:	Yes
Case:	Various
Run ID:	21808.G307.16S2781.161908M356.O13553.L5314.23J261
Data Research:	1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest
Database Version:	v52.465
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	531.55
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	483.71
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.528%
Registry Population: Scoped for This Run Only	11 (2.20%)
$ Estimated Value (12 Month Change):	-3.54% Analyzing 1,752 Sales
Research Note: Waltham Serial List Does Not Indicate Lever-Set

Value Guide

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.