Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 645

Mixed Run: Pendant-Set and Lever-Set Examples

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 17179288 Question Mark
Grade: No. 645 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1908 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 10 of 66 Question Mark
Grade/Model Total Production: 59,300 Question Mark
Size: 16s Question Mark
Jewels: 21j 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: Pendant    Mixed Run Question Mark
Plate: Bridge Plate 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: No Question Mark
Case: Various Question Mark
Run ID: 21250.G16.16S2585.161908M161.O13243.P6555.21J381 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.517 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
178.54 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
162.47 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.177% Question Mark
Registry Population:
Scoped for This Run Only
22 (1.10%) Question Mark
$ Estimated Value (12 Month Change): 7.61% Analyzing 470 Sales Question Mark

Help Us Help Others By Improving the Database:

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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.


cjbrem Supporter 957 · September 26, 2024

Serial Number 17179054 was reported as accurate.

Anonymous · January 14, 2024

Serial Number 17179940 was reported as accurate.

Anonymous · December 14, 2019

Serial Number 17178227 was reported as inaccurate.

Note: 16s, 21j, Lever Set, adj 5 pos
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · November 12, 2018

Serial Number 17178338 was reported as accurate.

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

Anonymous · November 9, 2018

Serial Number 17178338 was reported as accurate.

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

Anonymous · November 8, 2018

Serial Number 17178338 was reported as accurate.

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

Anonymous · October 4, 2018

Serial Number 17178338 was reported as accurate.

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

Anonymous · November 23, 2017

Serial Number 17178252 was reported as accurate.

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

Anonymous · April 22, 2017

Serial Number 17178530 was reported as accurate.

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

Anonymous · March 1, 2017

Serial Number 17178495 was reported as inaccurate.

Note: this movement #17178495 was 495 in a run to
1718000 . it is lever set, main wheel is
jeweled,has a patent regulator and requires
position grade material for repair.
could the "P"in the material list have
been mistaken to indicate pendant setting
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · January 3, 2017

Serial Number 17179915 was reported as accurate.

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

Anonymous · November 5, 2016

Serial Number 17178495 was reported as inaccurate.

Note: ref. complete price guide to watches #35 page 24
lists american railroad approved watches circa
1930 . waltham vanguard,crescent street, 645,
riverside are all listed
Curator Response: Thanks for the report. We currently have this run as pendant-set, which would not have been accepted for railroad service on most American railroads after 1908. The estimated manufacturing date for this run is right at that cusp.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · August 21, 2014

Serial Number 17179941 was reported as accurate.

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

Anonymous · August 15, 2013

Serial Number 17179950 was reported as accurate.

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