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: 17737894 Question Mark
Grade: No. 620 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1909 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 44 of 197 Question Mark
Grade/Model Total Production: 354,099 Question Mark
Variant Est. Production: 189,599 (16S-M1908-15J-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
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: 21507.G218.16S2668.161908M243.O13371.P6801.15J4987 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.467 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
612.99 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
557.82 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.609% Question Mark
Registry Population:
Scoped for This Run Only
15 (0.75%) Question Mark
$ Estimated Value (12 Month Change): 1.15% Analyzing 1,497 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.


ROXI1979 1 · September 13, 2022

Serial Number 17737448 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Nickel

ROXI1979 1 · September 13, 2022

Serial Number 17737448 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Nickel

Anonymous · October 2, 2021

Serial Number 17738831 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Nickel

Anonymous · May 19, 2020

Serial Number 17737894 was reported as accurate.

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

Anonymous · January 25, 2020

Serial Number 17738663 was reported as accurate.

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

Jleonardus 13 · January 19, 2020

Serial Number 17737894 was reported as accurate.

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

Anonymous · August 1, 2019

Serial Number 17737867 was reported as accurate.

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

Anonymous · July 31, 2019

Serial Number 17737867 was reported as accurate.

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

Anonymous · March 11, 2016

Serial Number 17737485 was reported as accurate.

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

Anonymous · April 23, 2015

Serial Number 17737400 was reported as accurate.

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

gadget63 1 · February 27, 2015

Serial Number 17738556 was reported as accurate.

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

Anonymous · February 8, 2015

Serial Number 17738064 was reported as accurate.

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

Anonymous · July 4, 2014

Serial Number 17738525 was reported as accurate.

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

daleballard 17 · June 29, 2014

Serial Number 17737400 was reported as accurate.

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

Anonymous · November 3, 2013

Serial Number 17739000 was reported as accurate.

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

Anonymous · June 23, 2013

Serial Number 17738714 was reported as accurate.

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

Anonymous · April 20, 2013

Serial Number 17738556 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