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: 15072281 Question Mark
Grade: No. 645 Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1906 Question Mark
Run Quantity: 950 Question Mark
Grade/Model Run: 1 of 6 Question Mark
Grade/Model Total Production: 4,850 Question Mark
Size: 16s Question Mark
Jewels: 19j 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
Bridge Type: Center Question Mark
Double Roller: Yes Question Mark
Barrel: Jeweled Motor Question Mark
Regulator: Church 1892 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: 19795.G1.16S2104.161899M1043.O12434.L4948.19J263 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.446 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
14.60 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
13.29 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.015% Question Mark
Registry Population:
Scoped for This Run Only
22 (2.32%) Question Mark

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 · February 18, 2024

Serial Number 15072356 was reported as accurate.

Anonymous · December 5, 2023

Serial Number 15072253 was reported as accurate.

Anonymous · November 24, 2023

Serial Number 15072253 was reported as accurate.

ChrisG Top Contributor Supporter 600 · November 5, 2021

Serial Number 15072814 was reported as accurate.

SteveMcG Supporter 10 · September 19, 2021

Serial Number 15072385 was reported as accurate.

bubba70 543 · January 21, 2019

Serial Number 15072941 was reported as accurate.

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

Anonymous · January 16, 2019

Serial Number 15072182 was reported as accurate.

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

Anonymous · March 3, 2018

Serial Number 15072699 was reported as accurate.

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

Anonymous · December 13, 2017

Serial Number 15072673 was reported as accurate.

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

Anonymous · May 29, 2017

Serial Number 15072723 was reported as accurate.

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

Msw233 Supporter 90 · April 25, 2017

Serial Number 15072747 was reported as accurate.

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

Anonymous · March 16, 2017

Serial Number 15072182 was reported as accurate.

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

Anonymous · October 17, 2016

Serial Number 15072588 was reported as accurate.

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

Msw233 Supporter 90 · May 24, 2016

Serial Number 15072747 was reported as accurate.

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

Anonymous · February 28, 2016

Serial Number 15072057 was reported as accurate.

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

Anonymous · February 2, 2016

Serial Number 15072089 was reported as accurate.

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

Msw233 Supporter 90 · October 11, 2015

Serial Number 15072281 was reported as accurate.

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

Msw233 Supporter 90 · September 27, 2013

Serial Number 15072786 was reported as accurate.

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

Anonymous · September 24, 2013

Serial Number 15072786 was reported as accurate.

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

Msw233 Supporter 90 · August 18, 2013

Serial Number 15072126 was reported as accurate.

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

Anonymous · August 6, 2013

Serial Number 15072126 was reported as accurate.

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

Anonymous · August 5, 2013

Serial Number 15072126 was reported as accurate.

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

Anonymous · January 26, 2013

Serial Number 15072126 was reported as inaccurate.

Note: Finish: nickel Movement: True bridge Adjusted to
positions: 5 Railroad Grade: yes
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · December 19, 2012

Serial Number 15072479 was reported as accurate.

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