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 Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 15134383 Question Mark
Grade: No. 645 Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1906 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 6 of 6 Question Mark
Grade/Model Total Production: 4,850 Question Mark
Size: 16s Question Mark
Jewels: 21j    Mixed Run 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: Lever Question Mark
Plate: Bridge Plate Question Mark
Bridge Type: Center 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: Yes Question Mark
Case: Various Question Mark
Run ID: 19904.G6.16S2137.161899M1076.O12510.L4988.21J294 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.433 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
14.60 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
13.29 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.015% Question Mark
Registry Population:
Scoped for This Run Only
14 (1.40%) Question Mark
$ Estimated Value (12 Month Change): -17.81% Analyzing 671 Sales Question Mark

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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 4054 · 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 90 · 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 90 · 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 90 · 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 90 · 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 90 · 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