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: 11129644 Question Mark
Grade: No. 620 Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1902 Question Mark
Run Quantity: 3,500 Question Mark
Grade/Model Run: 56 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: 17482.G56.16S1413.161899M385.O11191.P3582.15J4082 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.508 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
462.60 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
17 (0.49%) Question Mark
$ Estimated Value (12 Month Change): 2.91% Analyzing 1,582 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.


Rcardkidz 4090 · April 30, 2023

Serial Number 11131358 was reported as accurate.

PHIL1199 Supporter 1154 · March 23, 2023

Serial Number 11130946 was reported as accurate.

Anonymous · March 28, 2022

Serial Number 11129108 was reported as accurate.

Anonymous · March 2, 2022

Serial Number 11129080 was reported as accurate.

Anonymous · December 26, 2020

Serial Number 11131792 was reported as accurate.

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

Anonymous · May 10, 2020

Serial Number 11129531 was reported as accurate.

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

Anonymous · February 4, 2020

Serial Number 11130165 was reported as accurate.

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

steve288 264 · November 1, 2018

Serial Number 11130061 was reported as accurate.

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

Anonymous · June 25, 2017

Serial Number 11130061 was reported as accurate.

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

steve288 264 · May 15, 2017

Serial Number 11130061 was reported as accurate.

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

Otherdog 11 · March 18, 2017

Serial Number 11131770 was reported as accurate.

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

Anonymous · March 5, 2017

Serial Number 11131312 was reported as accurate.

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

Anonymous · April 4, 2016

Serial Number 11129851 was reported as accurate.

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

Anonymous · September 2, 2015

Serial Number 11131777 was reported as accurate.

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

Anonymous · May 29, 2015

Serial Number 11129087 was reported as accurate.

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

Anonymous · February 15, 2015

Serial Number 11131183 was reported as accurate.

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

Anonymous · September 3, 2014

Serial Number 11130860 was reported as accurate.

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

retirement 25 · July 2, 2014

Serial Number 11129958 was reported as accurate.

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

wanderson414 9 · April 27, 2014

Serial Number 11130016 was reported as accurate.

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

Anonymous · April 1, 2014

Serial Number 11131345 was reported as inaccurate.

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

rubberbullet 18 · August 6, 2013

Serial Number 11129347 was reported as accurate.

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

rubberbullet 18 · August 6, 2013

Serial Number 11129347 was reported as accurate.

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

rubberbullet 18 · August 6, 2013

Serial Number 11129347 was reported as accurate.

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

rubberbullet 18 · August 6, 2013

Serial Number 11129347 was reported as accurate.

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

btcretired 3 · July 17, 2013

Serial Number 11130033 was reported as accurate.

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

Anonymous · April 3, 2013

Serial Number 11131520 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade No. 620 Pocket Watch
Waltham Grade No. 620 Pocket Watch