Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 20

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 7477796
Grade: No. 20
Model: 1888
Estimated Production Date: April 1897 - August 1898
Run Quantity: 1,000
Grade/Model Run: 105 of 138
Grade/Model Total Production: 305,873
Size: 16s
Jewels: 15j
Movement Configuration: Hunting
Movement Finish: Gilt
Movement Setting: Pendant
Plate: 3/4 Plate
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 15438.G105.16S775.161888M450.H4378.P1979.15J3617
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
476.21
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
433.35
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.473%
Registry Population: 1 (0.10%)
$ Estimated Value (12 Month Change): 15.63% Analyzing 421 Sales

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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 · 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