Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 1621 Pocket Watch

American Waltham Watch Co.

Grade: No. 1621

Riverside

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 29236944 Question Mark
Grade: No. 1621 Question Mark
Variation: Riverside Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1937 Question Mark
Run Quantity: 1,100 Question Mark
Grade/Model Run: 6 of 22 Question Mark
Grade/Model Total Production: 77,738 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Regulator: Plain Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: No Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
U.S. Patents: 940117 Question Mark
Case: Various Question Mark
Run ID: 25621.G6.16S3884.161908M1422.O15890.P10542.21J596 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.541 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
234.05 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
212.98 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.233% Question Mark
Registry Population:
Scoped for This Run Only
15 (1.36%) Question Mark
$ Estimated Value (12 Month Change): 6.90% Analyzing 457 Sales Question Mark

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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 · April 16, 2022

Serial Number 29237177 was reported as accurate.

cmdraven 4083 · September 4, 2019

Serial Number 29236854 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · July 27, 2019

Serial Number 29236466 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · June 10, 2019

Serial Number 29236466 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · March 8, 2017

Serial Number 29237039 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · February 28, 2017

Serial Number 29236940 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · October 31, 2016

Serial Number 29236880 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Gimparoo Supporter 703 · March 1, 2015

Serial Number 29237401 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · December 6, 2014

Serial Number 29236944 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · November 30, 2014

Serial Number 29237474 was reported as inaccurate.

Note: Movement marked Riverside
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · November 28, 2014

Serial Number 29236944 was reported as inaccurate.

Note: It is marked riverside.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade No. 1621 Pocket Watch