Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 635 Pocket Watch

American Waltham Watch Co.

Grade: No. 635

(Alternatively Grade No. 638)

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 19118931 Question Mark
Grade: No. 635 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1913 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 25 of 45 Question Mark
Grade/Model Total Production: 33,300 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Regulator: Church 1892 Question Mark
Hairspring: Breguet Question Mark
Pallet Jewel Material: Sapphire Question Mark
Adjusted: Yes Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 22385.G26.16S3006.161908M576.O13897.P7551.17J2231 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.518 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
58.93 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
53.63 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.059% Question Mark
Registry Population:
Scoped for This Run Only
8 (0.80%) Question Mark
$ Estimated Value (12 Month Change): -0.94% Analyzing 149 Sales Question Mark
Research Note: Waltham serial lists do not explicitly designate this run as lever-set. However, #19119325 has been verified as lever-set (marked "A.W.W.Co. - Waltham, Mass. - 17 Jewels - Adjusted. - Adj. to Temp, & 4 Pos'ns." [NAWCC]

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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.


MuddyCharles 1 · May 21, 2024

Serial Number 19118931 was reported as inaccurate.

Note: 19118931 is lever set
ADJ.TO TEMP.
& 4 POS’NS
steel escape wheel

Wadehayes 43 · February 14, 2022

Serial Number 19119325 was reported as inaccurate.

Note: Lever set
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.

Anonymous · July 9, 2021

Serial Number 19118696 was reported as accurate.

XenoR7912 36 · September 8, 2018

Serial Number 19118943 was reported as accurate.

Waltham Grade No. 635 Pocket Watch