Pocket Watch Database

From the American Horology Archive:
Waltham Grade Broadway Pocket Watch

American Waltham Watch Co.

Grade: Broadway

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 1214012
Grade: Broadway
Model: 1877
Estimated Production Date: June 1879 - August 1879
Run Quantity: 1,000
Grade/Model Total Production: 278,850
Size: 18s
Jewels: 7j
Movement Configuration: Adaptable
Movement Setting: Key
Plate: Full Plate
Balance Type: Solid
Balance Material: Nickel
Adjusted: No
Railroad Grade: No
Data Research: c.1900 Waltham Factory Ledgers
1954 Waltham "Gray Book" List
Case: Various
Registry Population: 4 (0.40%)
Database Version: v49.712

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 1214170 #170 Marketplace September 05, 2017
2 1214352 #352 Marketplace September 19, 2013
3 1214628 #628 Marketplace June 06, 2021
4 1214857 #857 Marketplace April 19, 2015
Standard Deviation of Known Examples: 302.56 (Expected: 288.82, Δ13.74/1.37%)

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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.


Anonymous ยท March 29, 2018

Serial Number 1214625 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No
Waltham Grade Broadway Pocket Watch