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: 18000760
Grade: No. 645
Model: 1908
Estimated Production Year: 1910
Run Quantity: 2,000
Grade/Model Run: 11 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: 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: 21608.G17.16S2703.161908M278.O13437.L5255.21J385
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: 30 (1.50%)
$ 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.


Anonymous · October 7, 2023

Serial Number 18001707 was reported as accurate.

Anonymous · February 5, 2022

Serial Number 18001700 was reported as accurate.

Anonymous · December 6, 2021

Serial Number 18001178 was reported as accurate.

Anonymous · June 15, 2021

Serial Number 18001931 was reported as accurate.

Anonymous · October 7, 2020

Serial Number 18001437 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · June 28, 2020

Serial Number 18000097 was reported as accurate.

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

Anonymous · December 2, 2019

Serial Number 18001065 was reported as accurate.

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

Anonymous · December 29, 2018

Serial Number 18000564 was reported as accurate.

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

Anonymous · December 15, 2018

Serial Number 18000570 was reported as accurate.

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

jmpgfoto Supporter 18 · April 26, 2018

Serial Number 18001249 was reported as accurate.

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

Anonymous · February 6, 2018

Serial Number 18000874 was reported as accurate.

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

Anonymous · February 15, 2017

Serial Number 18000477 was reported as accurate.

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

Anonymous · January 26, 2017

Serial Number 18001568 was reported as accurate.

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

Anonymous · January 8, 2017

Serial Number 18000990 was reported as accurate.

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

Anonymous · June 7, 2016

Serial Number 18000290 was reported as accurate.

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

kmggold 40 · November 5, 2015

Serial Number 18000766 was reported as accurate.

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

Anonymous · July 16, 2015

Serial Number 18000064 was reported as accurate.

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

Anonymous · March 28, 2015

Serial Number 18000403 was reported as accurate.

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

manxcat74 4 · March 9, 2015

Serial Number 18001866 was reported as accurate.

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

manxcat74 4 · March 9, 2015

Serial Number 18001866 was reported as accurate.

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

Anonymous · February 27, 2015

Serial Number 18000662 was reported as accurate.

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

Gasperoff Supporter 727 · February 8, 2015

Serial Number 18001002 was reported as accurate.

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

Anonymous · December 20, 2014

Serial Number 18000026 was reported as accurate.

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

Anonymous · December 17, 2014

Serial Number 18000026 was reported as accurate.

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

Anonymous · September 15, 2014

Serial Number 18000453 was reported as accurate.

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

Anonymous · August 25, 2014

Serial Number 18000077 was reported as accurate.

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

Anonymous · August 8, 2014

Serial Number 18000077 was reported as inaccurate.

Note: All accurate except I agree it's lever set and
it's definitely railroad grade. Cheers. duffy l.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes
Plate changed from 3/4 to Bridge

Anonymous · January 22, 2014

Serial Number 18000586 was reported as inaccurate.

Note: Lever set (not pendant)
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes
Plate changed from 3/4 to Bridge

Anonymous · April 5, 2013

Serial Number 18000925 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes
Plate changed from 3/4 to Bridge

Anonymous · February 1, 2013

Serial Number 18001931 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes
Plate changed from 3/4 to Bridge
Waltham Grade No. 645 Pocket Watch