Pocket Watch Database


From the American Horology Archive:
Waltham Grade Vanguard Pocket Watch

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.O13565.L5312.23J261
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Database Version: v52.391
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): -3.39% Analyzing 1,744 Sales
Research Note: Waltham Serial List Does Not Indicate Lever-Set

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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 · May 30, 2023

Serial Number 18150325 was reported as accurate.

Anonymous · April 10, 2018

Serial Number 18150259 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

XenoR7912 36 · August 27, 2017

Serial Number 18150444 was reported as inaccurate.

Note: Lever set
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · August 27, 2016

Serial Number 18150409 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · February 2, 2014

Serial Number 18150363 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge
Waltham Grade Vanguard Pocket Watch