Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 28 Pocket Watch

American Waltham Watch Co.

Grade: No. 28

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 6560505
Grade: No. 28
Model: 1888
Estimated Production Date: July 1899 - January 1900
Run Quantity: 1,000
Grade/Model Run: 11 of 78
Grade/Model Total Production: 78,110
Size: 16s
Jewels: 15j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Regulator: Patent
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: Yes
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 14837.G11.16S656.161888M331.O9876.P1502.15J3546
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
98.24
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
89.40
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.098%
Registry Population: 7 (0.70%)
$ Estimated Value (12 Month Change): -1.50% Analyzing 153 Sales
Research Note: Waltham Serial Ledgers designate this run as Grade "#28" with 15 Jewels. However, #6560271 has been reported as marked "Amn. Watch Co." with a high-grade finish and 17 Jewels.

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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 · December 6, 2019

Serial Number 6560761 was reported as accurate.

Anonymous · December 3, 2019

Serial Number 6560761 was reported as accurate.

Anonymous · June 18, 2018

Serial Number 6560883 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · May 31, 2018

Serial Number 6560271 was reported as inaccurate.

Note: Run is either mixed or my watch was upgraded by
employee. Mine has 17 jewels, high-grade finish,
and is marked "Amn. Watch Co."

gmillwater 2 · February 26, 2018

Serial Number 6560505 was reported as accurate.

Asht6630 1 · March 15, 2017

Serial Number 6560939 was reported as accurate.

Anonymous · March 26, 2015

Serial Number 6560996 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Key to Pendant

Oppenheimer77 3 · December 7, 2014

Serial Number 6560858 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Movement Setting changed from Key to Pendant
Plate changed from Unknown to 3/4

Anonymous · June 22, 2014

Serial Number 6560838 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Key to Pendant

Anonymous · August 14, 2013

Serial Number 6560675 was reported as inaccurate.

Note: sketch is different. large and small gears
reversed.
Changes since this report was submitted:
Movement Setting changed from Key to Pendant
Plate changed from Unknown to 3/4
Waltham Grade No. 28 Pocket Watch