Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 220 Pocket Watch
Waltham Grade No. 220 Pocket Watch

American Waltham Watch Co.

Grade: No. 220

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 16812432
Grade: No. 220
Model: 1894
Estimated Production Year: 1908
Run Quantity: 1,500
Total Production: 817,280
Size: 12s
Jewels: 15j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Regulator: Patent
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
Case: Various
Registry Population: 10 (0.67%)
Database Version: v49.391

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 16811075 #75 Marketplace October 21, 2013
2 16811153 #153 Marketplace December 26, 2017
3 16811290 #290 Marketplace April 01, 2015
4 16811335 #335 Marketplace February 07, 2021
5 16811459 #459 Marketplace February 18, 2019
6 16811599 #599 Marketplace May 09, 2015
7 16811791 #791 Marketplace December 12, 2013
8 16811933 #933 Marketplace June 06, 2015
9 16811993 #993 Marketplace January 05, 2013
10 16812432 #1432 Collection September 18, 2018
Standard Deviation of Known Examples: 428.86 (Expected: 433.16, Δ4.29/0.29%)

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Data Verification Reports

16811001
Verification Serial Map
16812500

Anonymous · June 22, 2020

Serial Number 16811219 was reported as accurate.

rlbyrd1964 8 · December 4, 2018

Serial Number 16812432 was reported as accurate.

rlbyrd1964 8 · September 25, 2018

Serial Number 16812432 was reported as accurate.

rlbyrd1964 8 · September 18, 2018

Serial Number 16812432 was reported as accurate.

rlbyrd1964 8 · September 18, 2018

Serial Number 16812432 was reported as accurate.

Anonymous · September 21, 2013

Serial Number 16811075 was reported as accurate.

Waltham Grade No. 220 Pocket Watch
Waltham Grade No. 220 Pocket Watch