Pocket Watch Database


From the American Horology Archive:
Waltham Grade No. 845 Pocket Watch
Waltham Grade No. 845 Pocket Watch

American Waltham Watch Co.

Grade: No. 845

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18090638 Question Mark
Grade: No. 845 Question Mark
Model: 1892 Question Mark
Estimated Production Year: 1910 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 62 of 69 Question Mark
Grade/Model Total Production: 56,875 Question Mark
Size: 18s Question Mark
Jewels: 21j Question Mark
Jewel Material: Ruby & Sapphire Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Double Roller: Yes Question Mark
Regulator: Ohlson 1908 Question Mark
Hairspring: Breguet Question Mark
Escapement Type: Straight-line 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
Case: Various Question Mark
Run ID: 21723.G62.18S11975.181892M571.O13493.L5282.21J397 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.470 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
159.79 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
145.41 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.159% Question Mark
Registry Population:
Scoped for This Run Only
6 (1.20%) Question Mark
$ Estimated Value (12 Month Change): -7.56% Analyzing 460 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 · June 6, 2020

Serial Number 18090826 was reported as accurate.

johnbjackson Supporter 20 · February 26, 2019

Serial Number 18090805 was reported as accurate.

Anonymous · February 24, 2019

Serial Number 18090933 was reported as accurate.

Anonymous · December 20, 2018

Serial Number 18090617 was reported as accurate.

mmarc77 3 · May 8, 2018

Serial Number 18090903 was reported as accurate.

Waltham Grade No. 845 Pocket Watch
Waltham Grade No. 845 Pocket Watch