Pocket Watch Database

From the American Horology Archive:
Waltham Grade A.T. & Co. Pocket Watch

American Waltham Watch Co.

Grade: A.T. & Co.

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 17939
Grade: A.T. & Co.
Model: 1857
Estimated Production Date: July 1859
Run Quantity: 10
Grade/Model Total Production: 63,278
Size: 18s
Jewels: 16j
Jewel Setting: Screw-Set
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Signing Style: Serif (Decorative)
Movement Inlay Color: None
Movement Setting: Key
Plate: Full Plate
Balance Type: Solid
Balance Material: Gold
Regulator: Undersprung
Adjusted: No
Movement Markings: Appleton, Tracy & Co.
Waltham, Mass.
Data Research: c.1900 Waltham Factory Ledgers
1954 Waltham "Gray Book" List
Case: Various
Registry Population: 1 (10.00%)
Database Version: v49.712
Research Note: Waltham Serial Ledgers record this run as featuring 16 Jewels. However, #17939 has been verified with only 15 Jewels.

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 17939 #9 Collection March 16, 2017
Standard Deviation of Known Examples: 0.00 (Expected: 3.03, Δ3.03/30.28%)

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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.

TimeAntiquarian Founder Research Expert Historian Top Contributor Supporter 170 · March 3, 2021

Serial Number 17939 was reported as inaccurate.

Note: #17939 does not feature the 16th jewel on the
pillar plate (verified under dial).

Anonymous · June 21, 2019

Serial Number 17940 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No
Waltham Grade A.T. & Co. Pocket Watch