Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 35 Pocket Watch
Waltham Grade No. 35 Pocket Watch

American Waltham Watch Co.

Grade: No. 35

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 4338133
Grade: No. 35
Variation: A.T. & Co. Quality
Model: 1883
Estimated Production Date: January 1890 - March 1891
Run Quantity: 500
Total Production: 31,700
Size: 18s
Jewels: 17j    Mixed Run
Jewel Material: Ruby
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever
Plate: Full Plate
Regulator: Church 1885
Hairspring: Breguet
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: Yes
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Data Research: 1954 Waltham "Gray Book" List
Case: Various
Registry Population: 6 (1.20%)
Database Version: v49.391

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 4338125 #125 Collection April 17, 2018
2 4338133 #133 Collection July 13, 2020
3 4338163 #163 Marketplace February 14, 2015
4 4338192 #192 Inferred
5 4338417 #417 Marketplace September 04, 2013
6 4338487 #487 Marketplace September 04, 2020
Standard Deviation of Known Examples: 157.64 (Expected: 144.48, Δ13.16/2.63%)

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Data Verification Reports

4338001
Verification Serial Map
4338500

Anonymous · February 6, 2021

Serial Number 4338084 was reported as accurate.

Anonymous · December 1, 2020

Serial Number 4338084 was reported as accurate.

Anonymous · January 4, 2020

Serial Number 4338192 was reported as accurate.

dfchong 837 · July 11, 2017

Serial Number 4338047 was reported as accurate.

Anonymous · August 27, 2013

Serial Number 4338417 was reported as inaccurate.

Note: Movement is marked 17J
Changes since this report was submitted:
Jewels changed from 15j to 17j
Waltham Grade No. 35 Pocket Watch
Waltham Grade No. 35 Pocket Watch