Pocket Watch Database


From the American Horology Archive:
Waltham Grade No. 645 Pocket Watch

American Waltham Watch Co.

Grade: No. 645

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 20003825 Question Mark
Grade: No. 645 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1915 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 31 of 66 Question Mark
Grade/Model Total Production: 59,300 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Jewel Material: Ruby Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Bridge Plate Question Mark
Double Roller: Yes Question Mark
Barrel: Jeweled Motor Question Mark
Regulator: Micrometer Question Mark
Hairspring: Breguet Question Mark
Pallet Jewel Material: Sapphire Question Mark
Standard Dial Type: Double-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Railroad Grade: Yes Question Mark
Case: Various Question Mark
Run ID: 22839.G37.16S3161.161908M730.O14167.L5385.21J443 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.433 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
178.54 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
162.47 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.177% Question Mark
Registry Population:
Scoped for This Run Only
17 (1.70%) Question Mark
$ Estimated Value (12 Month Change): 9.78% Analyzing 468 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.


ClipperCargo Supporter 39 · October 12, 2024

Serial Number 20003023 was reported as accurate.

taborclock Supporter 148 · October 17, 2022

Serial Number 20003268 was reported as accurate.

daaim19 75 · July 10, 2022

Serial Number 20003662 was reported as accurate.

daaim19 75 · July 10, 2022

Serial Number 20003662 was reported as accurate.

Anonymous · February 20, 2022

Serial Number 20003817 was reported as accurate.

okiejohn 386 · January 24, 2022

Serial Number 20003825 was reported as accurate.

Dvescelus 1 · September 20, 2021

Serial Number 20003873 was reported as accurate.

Anonymous · July 15, 2021

Serial Number 20003693 was reported as accurate.

Anonymous · December 19, 2020

Serial Number 20003566 was reported as accurate.

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

Anonymous · April 23, 2020

Serial Number 20003788 was reported as accurate.

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

avpalermo Supporter 644 · April 16, 2020

Serial Number 20003005 was reported as accurate.

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

Anonymous · February 29, 2020

Serial Number 20003911 was reported as accurate.

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

Anonymous · January 22, 2020

Serial Number 20003542 was reported as accurate.

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

ady270 15 · January 2, 2020

Serial Number 20003129 was reported as accurate.

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

Anonymous · January 2, 2020

Serial Number 20003129 was reported as accurate.

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

Anonymous · November 9, 2019

Serial Number 20003087 was reported as accurate.

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

WLBelkriver33 804 · November 22, 2018

Serial Number 20003379 was reported as accurate.

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

canadadan Supporter 12 · February 26, 2018

Serial Number 20003534 was reported as accurate.

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

Minster 1 · January 9, 2017

Serial Number 20003047 was reported as accurate.

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

Anonymous · January 8, 2017

Serial Number 20003047 was reported as accurate.

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

Anonymous · January 8, 2017

Serial Number 20003047 was reported as accurate.

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

Anonymous · January 8, 2017

Serial Number 20003047 was reported as accurate.

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

Anonymous · December 20, 2016

Serial Number 20003881 was reported as accurate.

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

Rbriault 1 · March 15, 2016

Serial Number 20003648 was reported as accurate.

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

Anonymous · December 1, 2014

Serial Number 20003476 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade No. 645 Pocket Watch