Pocket Watch Database


From the American Horology Archive:
Waltham Grade No. 620 Pocket Watch
Waltham Grade No. 620 Pocket Watch

American Waltham Watch Co.

Grade: No. 620

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 11391074 Question Mark
Grade: No. 620 Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1902 Question Mark
Run Quantity: 2,500 Question Mark
Grade/Model Run: 64 of 174 Question Mark
Grade/Model Total Production: 339,100 Question Mark
Variant Est. Production: 153,450 (16S-M1899-15J-ONP) Question Mark
Size: 16s Question Mark
Jewels: 15j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Inlay Color: Black Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Bridge Type: Center Question Mark
Regulator: Church 1892 Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Movement Markings: A.W.W.Co.
Waltham, Mass.
15 Jewels
Case: Various Question Mark
Run ID: 17599.G64.16S1450.161899M422.O11250.P3687.15J4127 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.557 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
462.81 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
420.97 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.460% Question Mark
Registry Population:
Scoped for This Run Only
7 (0.28%) Question Mark
$ Estimated Value (12 Month Change): -4.63% Analyzing 1,585 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 · January 3, 2021

Serial Number 11392229 was reported as accurate.

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

Anonymous · November 7, 2020

Serial Number 11391951 was reported as accurate.

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

Anonymous · August 15, 2020

Serial Number 11392083 was reported as accurate.

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

Anonymous · January 9, 2018

Serial Number 11391954 was reported as accurate.

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

Dtokentank 1 · May 18, 2017

Serial Number 11392076 was reported as accurate.

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

Anonymous · August 23, 2015

Serial Number 11392507 was reported as accurate.

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

dcooper Supporter 230 · May 19, 2015

Serial Number 11391074 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

Anonymous · November 2, 2013

Serial Number 11390785 was reported as accurate.

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

Anonymous · October 23, 2013

Serial Number 11392410 was reported as accurate.

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

Anonymous · February 14, 2013

Serial Number 11392262 was reported as accurate.

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