Pocket Watch Database

From the American Horology Archive:
Waltham Grade P.S. Bartlett Pocket Watch

American Waltham Watch Co.

Grade: P.S. Bartlett

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 4016462
Grade: P.S. Bartlett
Model: 1883
Estimated Production Date: August 1889 - October 1889
Run Quantity: 500
Total Production: 537,700
Size: 18s
Jewels: 15j
Jewel Material: Ruby
Movement Configuration: Openface
Movement Setting: Pendant
Plate: Full Plate
Regulator: Church 1885
Hairspring: Breguet
Adjusted: Yes
Data Research: 1954 Waltham "Gray Book" List
Case: Various
Registry Population: 2 (0.40%)
Database Version: v49.391

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 4016097 #97 Collection June 26, 2019
2 4016462 #462 Collection November 13, 2020
Standard Deviation of Known Examples: 258.09 (Expected: 144.48, Δ113.61/22.72%)

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Data Verification Reports

Verification Serial Map

Anonymous · June 9, 2017

Serial Number 4016074 was reported as accurate.

jeremyroy 199 · July 1, 2013

Serial Number 4016208 was reported as accurate.

Anonymous · June 25, 2013

Serial Number 4016208 was reported as accurate.

Waltham Grade P.S. Bartlett Pocket Watch