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: 20184814
Grade: No. 645
Model: 1908
Estimated Production Year: 1915
Run Quantity: 1,000
Grade/Model Run: 43 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: Micrometer
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: 23037.G49.16S3231.161908M800.O14324.L5428.21J479
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
178.54
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: 11 (1.10%)
$ Estimated Value (12 Month Change): -3.13% Analyzing 454 Sales
Research Note: Waltham Serial Lists do not explicitly designate this run as lever-set. However, many reports in the run have indicated lever-set movements.

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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 · November 27, 2022

Serial Number 20184282 was reported as accurate.

2251lyle 78 · October 2, 2022

Serial Number 20184860 was reported as accurate.

Pinko2 69 · December 21, 2021

Serial Number 20184860 was reported as accurate.

Pinko2 69 · December 21, 2021

Serial Number 20184860 was reported as accurate.

Pinko2 69 · December 17, 2021

Serial Number 20184860 was reported as accurate.

Anonymous · November 30, 2021

Serial Number 20184860 was reported as accurate.

Automatic 254 · May 24, 2021

Serial Number 20184641 was reported as accurate.

Chronified Supporter 212 · February 24, 2021

Serial Number 20184193 was reported as inaccurate.

Note: Watch is lever set (previous verification I
submitted was incorrect)
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.
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

Chronified Supporter 212 · February 23, 2021

Serial Number 20184193 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

Rcardkidz 3436 · October 26, 2019

Serial Number 20184630 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

jerrym107 5 · January 19, 2018

Serial Number 20184035 was reported as inaccurate.

Note: Does not have jeweled motor barrel, it is going,
watch is lever set and Railroad Grade
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 · November 17, 2017

Serial Number 20184857 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 · October 4, 2015

Serial Number 20184782 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 · October 4, 2015

Serial Number 20184782 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 · September 5, 2015

Serial Number 20184046 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

Bluejay 179 · August 17, 2014

Serial Number 20184814 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

Bluejay 179 · August 17, 2014

Serial Number 20184814 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 · August 14, 2014

Serial Number 20184814 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

sithreal 1 · May 11, 2014

Serial Number 20184421 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 · January 20, 2014

Serial Number 20184387 was reported as inaccurate.

Note: lever set
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 2, 2014

Serial Number 20184387 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 · December 23, 2013

Serial Number 20184387 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 · December 23, 2013

Serial Number 20184387 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 · July 3, 2013

Serial Number 20184021 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 · April 21, 2013

Serial Number 20184474 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