Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 640 Pocket Watch

American Waltham Watch Co.

Grade: No. 640

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 7498025
Grade: No. 640
Model: 1888
Estimated Production Date: October 1897 - August 1899
Run Quantity: 1,000
Grade/Model Run: 2 of 6
Grade/Model Total Production: 3,800
Size: 16s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Regulator: Patent
Hairspring: Breguet
Adjusted: Yes
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 15463.G2.16S780.161888M455.O10149.P1997.17J348
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
5.99
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
5.48
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.006%
Registry Population: 12 (1.20%)

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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 · September 21, 2022

Serial Number 7498900 was reported as accurate.

avpalermo Supporter 568 · October 21, 2021

Serial Number 7498278 was reported as accurate.

Anonymous · October 18, 2021

Serial Number 7498278 was reported as accurate.

Anonymous · September 20, 2020

Serial Number 7498010 was reported as accurate.

Anonymous · September 5, 2020

Serial Number 7498066 was reported as accurate.

Rdoneil 1 · May 19, 2019

Serial Number 7498025 was reported as accurate.

BaalDagon 12 · February 3, 2019

Serial Number 7498285 was reported as accurate.

Anonymous · March 17, 2018

Serial Number 7498066 was reported as accurate.

Anonymous · November 25, 2013

Serial Number 7498006 was reported as accurate.

Waltham Grade No. 640 Pocket Watch