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: 18149515
Grade: Vanguard
Model: 1908
Estimated Production Year: 1911
Run Quantity: 500
Grade/Model Run: 32 of 123
Grade/Model Total Production: 182,450
Size: 16s
Jewels: 23j
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever
Plate: Bridge Plate
Regulator: Ohlson 1908
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 21807.G306.16S2780.161908M355.H7321.L5311.23J260
Database Version: v52.221
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
17.66
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
16.16
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.018%
Registry Population: 7 (1.40%)
$ Estimated Value (12 Month Change): -4.80% Analyzing 1,715 Sales

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 110 · April 29, 2023

Serial Number 18149851 was reported as accurate.

Mobilaero Top Contributor Supporter 291 · 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 291 · 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