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: 15072747
Grade: No. 645
Model: 1899
Estimated Production Year: 1906
Run Quantity: 950
Grade/Model Run: 1 of 6
Grade/Model Total Production: 4,850
Size: 16s
Jewels: 19j
Jewel Material: Ruby
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Bridge Plate
Bridge Type: Center
Double Roller: Yes
Barrel: Jeweled Motor
Regulator: Church 1892
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: 19795.G1.16S2104.161899M1043.O12446.L4948.19J263
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
14.52
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
13.29
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.015%
Registry Population: 22 (2.32%)

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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 · 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 533 · 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 89 · 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 89 · 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 89 · 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 89 · 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 89 · 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