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: 15083411
Grade: No. 645
Model: 1899
Estimated Production Year: 1906
Run Quantity: 1,000
Grade/Model Run: 2 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: 19809.G2.16S2108.161899M1047.O12456.L4956.19J266
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
14.60
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: 14 (1.40%)

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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 · June 23, 2022

Serial Number 15083568 was reported as accurate.

Anonymous · April 1, 2022

Serial Number 15083615 was reported as inaccurate.

Note: No motor barrel.
Curator Response: The Waltham Serial Lists designate this run as featuring the jeweled motor barrel. These jewels cannot be seen without disassembling the barrel.

Anonymous · January 21, 2021

Serial Number 15083198 was reported as accurate.

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

Anonymous · January 15, 2021

Serial Number 15083800 was reported as accurate.

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

Anonymous · October 4, 2020

Serial Number 15083800 was reported as accurate.

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

Anonymous · June 28, 2019

Serial Number 15083800 was reported as accurate.

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

Anonymous · December 16, 2017

Serial Number 15083036 was reported as accurate.

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

Anonymous · May 24, 2017

Serial Number 15083970 was reported as accurate.

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

ccnumis 145 · October 25, 2016

Serial Number 15083026 was reported as accurate.

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

Anonymous · September 26, 2016

Serial Number 15083196 was reported as accurate.

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

Anonymous · July 29, 2016

Serial Number 15083780 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 15083077 was reported as accurate.

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

Anonymous · September 19, 2015

Serial Number 15083864 was reported as accurate.

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

Brycef 107 · August 18, 2015

Serial Number 15083480 was reported as accurate.

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

cmdraven 3991 · October 1, 2014

Serial Number 15083059 was reported as accurate.

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

Bobnjo 1 · March 19, 2014

Serial Number 15083097 was reported as accurate.

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

jokomo 15 · March 19, 2014

Serial Number 15083097 was reported as accurate.

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

Msw233 Supporter 89 · March 16, 2014

Serial Number 15083411 was reported as accurate.

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