Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 645

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 20003825
Grade: No. 645
Model: 1908
Estimated Production Year: 1915
Run Quantity: 1,000
Grade/Model Run: 31 of 66
Grade/Model Total Production: 59,300
Size: 16s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Bridge Plate
Double Roller: Yes
Barrel: Jeweled Motor
Regulator: Micrometer
Hairspring: Breguet
Pallet Jewel Material: Sapphire
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 22839.G37.16S3161.161908M730.O14179.L5382.21J442
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
177.55
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
162.47
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.177%
Registry Population: 17 (1.70%)
$ Estimated Value (12 Month Change): -6.06% Analyzing 453 Sales

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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.


taborclock Supporter 146 · 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 379 · 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 568 · 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