Pocket Watch Database

From the American Horology Archive:
Waltham Grade Am.W.Co. Pocket Watch

American Waltham Watch Co.

Grade: Am.W.Co.

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 2556500
Grade: Am.W.Co.
Model: 1872
Estimated Production Date: May 1886 - August 1886
Run Quantity: 70
Grade/Model Run: 32 of 45
Grade/Model Total Production: 9,940
Size: 16s
Jewels: 15j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Regulator: Patent
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: Yes
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 11294.G505.16S223.161872M112.O8231.L2441.15J2469
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
7.01
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
6.38
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.007%
Registry Population: 1 (1.43%)

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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.


sanjosetom 301 · June 27, 2019

Serial Number 2556500 was reported as inaccurate.

Note: Open face, pend wind, lever set, adjusted on movmt
, "Am Watch Co", nickel damsc.
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Movement Configuration changed from Either to Openface
Movement Setting changed from Key to Lever

Anonymous · May 15, 2018

Serial Number 2556436 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Either to Openface
Movement Setting changed from Key to Lever
Waltham Grade Am.W.Co. Pocket Watch