Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 20

Private Label(s) in Run:

Bornemann & Street - San Francisco, Cal.

What is a Private Label?
Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 5511062
Grade: No. 20
Model: 1888
Estimated Production Date: September 1892 - October 1892
Run Quantity: 200
Grade/Model Run: 14 of 138
Grade/Model Total Production: 305,873
Size: 16s
Jewels: 15j
Jewel Setting: Raised Gold Settings (Screw-Set)
Movement Configuration: Hunting
Movement Finish: Gilt
Movement Setting: Pendant
Plate: 3/4 Plate
Regulator: Micrometer
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: 14173.G14.16S464.161888M139.H3692.P970.15J3386
Database Version: v52.235
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 (0.50%)

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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.


oilseed Supporter 470 · March 5, 2017

Serial Number 5511010 was reported as inaccurate.

Note: Gilt Finish (not Nickel). Private label, engraved
on train plate and Dial "Bornemann & Street San
Francisco Cal."
Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt

SloJoe 2 · April 4, 2016

Serial Number 5511062 was reported as inaccurate.

Note: This movement is a 15J Waltham 1888. The jewel
count, raised gold jewel settings, nickel plate
layout, micrometer regulator (stamped
"ADJUSTED"), winding wheels, and damaskeening are
all consistent with the Riverside Grade.
Changes since this report was submitted:
Jewels changed from 7J to 15j
Movement Finish changed from Gilt or Nickel to Gilt
Waltham Grade No. 20 Pocket Watch