Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 20 Pocket Watch

American Waltham Watch Co.

Grade: No. 20

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 7477796 Question Mark
Grade: No. 20 Question Mark
Model: 1888 Question Mark
Estimated Production Date: April 1897 - August 1898 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 105 of 138 Question Mark
Grade/Model Total Production: 305,873 Question Mark
Size: 16s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 15438.G105.16S775.161888M449.H4374.P1980.15J3617 Question Mark
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.433 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
476.21 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
433.35 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.473% Question Mark
Registry Population:
Scoped for This Run Only
1 (0.10%) Question Mark
$ Estimated Value (12 Month Change): -1.87% Analyzing 427 Sales Question Mark

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 · October 10, 2015

Serial Number 7477796 was reported as inaccurate.

Note: The movement is 15 Jewel. I counted carefully both
top and bottom. The serial numbers all are the
same on the base, plate, top covers and staff.
Changes since this report was submitted:
Jewels changed from 7J to 15j
Movement Finish changed from Gilt or Nickel to Gilt

thinkpink4733 13 · September 26, 2015

Serial Number 7477796 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 7J to 15j
Movement Finish changed from Gilt or Nickel to Gilt

Anonymous · August 23, 2013

Serial Number 7477404 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 7J to 15j
Waltham Grade No. 20 Pocket Watch