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: 18010930
Grade: No. 645
Model: 1908
Estimated Production Year: 1910
Run Quantity: 1,500
Grade/Model Run: 12 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: 21619.G18.16S2706.161908M281.O13443.L5256.21J386
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: 13 (0.87%)
$ Estimated Value (12 Month Change): -3.13% Analyzing 454 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.


Scuba75 Supporter 33 · January 14, 2020

Serial Number 18010930 was reported as accurate.

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

jrussell2002 94 · February 21, 2019

Serial Number 18011512 was reported as accurate.

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

nane1126 1 · September 9, 2018

Serial Number 18011565 was reported as accurate.

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

Anonymous · September 9, 2018

Serial Number 18011565 was reported as accurate.

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

PyroBunny11 37 · June 9, 2018

Serial Number 18011430 was reported as accurate.

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

Anonymous · March 3, 2018

Serial Number 18010838 was reported as accurate.

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

Anonymous · January 19, 2018

Serial Number 18010348 was reported as accurate.

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

Anonymous · January 18, 2018

Serial Number 18010348 was reported as accurate.

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

Anonymous · January 16, 2018

Serial Number 18010724 was reported as accurate.

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

Anonymous · November 13, 2017

Serial Number 18011430 was reported as accurate.

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

Anonymous · August 9, 2017

Serial Number 18010747 was reported as accurate.

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

Anonymous · June 19, 2017

Serial Number 18010459 was reported as accurate.

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

legerclint 7 · May 6, 2016

Serial Number 18010716 was reported as accurate.

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

ceocbeck Supporter 112 · June 8, 2015

Serial Number 18010492 was reported as accurate.

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

ceocbeck Supporter 112 · February 12, 2015

Serial Number 18010492 was reported as accurate.

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

ceocbeck Supporter 112 · February 12, 2015

Serial Number 18010492 was reported as accurate.

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

Anonymous · January 6, 2015

Serial Number 18010596 was reported as accurate.

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

Anonymous · March 25, 2014

Serial Number 18010495 was reported as accurate.

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

Anonymous · June 7, 2013

Serial Number 18010930 was reported as accurate.

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

Anonymous · June 1, 2013

Serial Number 18010111 was reported as accurate.

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

Anonymous · June 1, 2013

Serial Number 18010111 was reported as accurate.

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

Anonymous · April 6, 2013

Serial Number 18010431 was reported as accurate.

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

Anonymous · March 25, 2013

Serial Number 18010930 was reported as accurate.

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