Pocket Watch Database


From the American Horology Archive:
Waltham Grade Maximus Pocket Watch

American Waltham Watch Co.

Grade: Maximus

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 16093653 Question Mark
Grade: Maximus Question Mark
Model: Colonial Series Question Mark
Estimated Production Year: 1907 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 6 of 10 Question Mark
Grade/Model Total Production: 2,511 Question Mark
Size: 14s Question Mark
Jewels: 23j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Split Plate Question Mark
Regulator: Patent Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 20437.G106.14S2302.M42.O12797.P5893.23J180 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.516 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
7.26 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
6.60 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.007% Question Mark
Registry Population:
Scoped for This Run Only
6 (1.20%) Question Mark
$ Estimated Value (12 Month Change): -19.51% Analyzing 257 Sales Question Mark
Research Note: Waltham Serial Ledgers designate this run as "Col. Ser." (Colonial Series). Pillar plate measures as 14s while movement is based on the 12s Model 1894.

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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 · January 12, 2023

Serial Number 16093965 was reported as accurate.

bunnofnickle 67 · October 13, 2020

Serial Number 16093984 was reported as inaccurate.

Note: Movement is a Riverside
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

bunnofnickle 67 · October 12, 2020

Serial Number 16093984 was reported as accurate.

Anonymous · May 16, 2020

Serial Number 16093852 was reported as accurate.

Anonymous · November 5, 2018

Serial Number 16093978 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Ser. to Colonial Series

Anonymous · February 14, 2017

Serial Number 16093855 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Ser. to Colonial Series

Anonymous · August 5, 2016

Serial Number 16093955 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Ser. to Colonial Series

Anonymous · June 11, 2016

Serial Number 16093786 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Ser. to Colonial Series

Anonymous · July 8, 2015

Serial Number 16093840 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Ser. to Colonial Series

Anonymous · June 4, 2013

Serial Number 16093803 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Factory Model changed from Ser. to Colonial Series
Plate changed from Unknown to 3/4 Split
Waltham Grade Maximus Pocket Watch