Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 645

Mixed Run; 19-Jewel and 21-Jewel Examples Reported

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 15134136
Grade: No. 645
Model: 1899
Estimated Production Year: 1906
Run Quantity: 1,000
Grade/Model Run: 6 of 6
Grade/Model Total Production: 4,850
Size: 16s
Jewels: 21j    Mixed Run
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: 19904.G6.16S2137.161899M1076.O12522.L4988.21J294
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%)
$ Estimated Value (12 Month Change): -19.46% Analyzing 653 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 · August 3, 2022

Serial Number 15134884 was reported as accurate.

Rcardkidz 3459 · May 21, 2022

Serial Number 15134465 was reported as accurate.

Anonymous · April 8, 2020

Serial Number 15134186 was reported as inaccurate.

Note: This watch is 19 jwls
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · August 19, 2019

Serial Number 15134495 was reported as accurate.

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

Matticus 14 · May 13, 2017

Serial Number 15134294 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

Msw233 Supporter 89 · May 1, 2017

Serial Number 15134585 was reported as accurate.

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

Msw233 Supporter 89 · April 25, 2017

Serial Number 15134473 was reported as accurate.

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

Anonymous · June 23, 2016

Serial Number 15134152 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 19j to 21j
Plate changed from 3/4 to Bridge

Anonymous · April 3, 2016

Serial Number 15134762 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 19j to 21j
Plate changed from 3/4 to Bridge

Msw233 Supporter 89 · February 26, 2015

Serial Number 15134130 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 19j to 21j
Plate changed from 3/4 to Bridge

Rockford1898 5 · February 6, 2015

Serial Number 15134530 was reported as inaccurate.

Note: 21 Jewels
Changes since this report was submitted:
Jewels changed from 19j to 21j
Plate changed from 3/4 to Bridge

Msw233 Supporter 89 · August 10, 2014

Serial Number 15134292 was reported as inaccurate.

Note: All 1899 model 645's had a star regulator.
Changes since this report was submitted:
Jewels changed from 19j to 21j
Plate changed from 3/4 to Bridge

ungaa6 4 · July 18, 2014

Serial Number 15134292 was reported as inaccurate.

Note: Lever set, 19 jewels (not 21)
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · February 6, 2014

Serial Number 15134532 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Msw233 Supporter 89 · August 17, 2013

Serial Number 15134397 was reported as inaccurate.

Note: 19 Jewel
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · July 24, 2013

Serial Number 15134532 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Dch525 25 · June 14, 2013

Serial Number 15134532 was reported as inaccurate.

Note: Lever set
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · May 12, 2013

Serial Number 15134907 was reported as inaccurate.

Note: Lever Set, otherwise correct
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge
Waltham Grade No. 645 Pocket Watch