Pocket Watch Database


From the American Horology Archive:
Waltham Grade Vanguard Pocket Watch

American Waltham Watch Co.

Grade: Vanguard

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18149851 Question Mark
Grade: Vanguard Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1911 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 32 of 123 Question Mark
Grade/Model Total Production: 182,450 Question Mark
Size: 16s Question Mark
Jewels: 23j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Bridge Plate Question Mark
Regulator: Ohlson 1908 Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 21807.G306.16S2780.161908M355.H7317.L5313.23J260 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
17.76 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
16.16 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.018% Question Mark
Registry Population:
Scoped for This Run Only
7 (1.40%) Question Mark
$ Estimated Value (12 Month Change): -2.78% Analyzing 1,751 Sales Question Mark

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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 · July 15, 2023

Serial Number 18149730 was reported as accurate.

jaspurlock2012 Supporter 125 · April 29, 2023

Serial Number 18149851 was reported as accurate.

Mobilaero Top Contributor Supporter 307 · September 15, 2018

Serial Number 18149677 was reported as accurate.

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

Anonymous · November 26, 2016

Serial Number 18149554 was reported as accurate.

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

Anonymous · November 20, 2016

Serial Number 18149554 was reported as accurate.

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

Anonymous · October 16, 2016

Serial Number 18149676 was reported as inaccurate.

Note: Should be railroad grade.
Curator Response: Thanks for the report. If this run is hunting instead of open face, it would not have qualifieid for American railroad service in 1911 (estimated production year).
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Mobilaero Top Contributor Supporter 307 · August 25, 2013

Serial Number 18149677 was reported as inaccurate.

Note: Sorry! I made an error in previous report. The
movement,18149677, IS adjusted to 5 positions
(located at winding wheel) and it is LEVER SET,
making it a railroad grade.

Apologies for the error.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · April 7, 2013

Serial Number 18149677 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