Pocket Watch Database


From the American Horology Archive:
Hamilton Grade 900 Pocket Watch
Hamilton Grade 900 Pocket Watch

Hamilton Watch Co.

Grade: 900

Only Sold Cased by Hamilton

Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 1913359 Question Mark
Grade: 900 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1923 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 13 of 15 Question Mark
Grade/Model Total Production: 24,700 Question Mark
Size: 12s Question Mark
Jewels: 19j Question Mark
Jewel Material: Ruby & Sapphire Question Mark
Jewel Setting: Raised Gold Settings (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
Double Roller: Yes Question Mark
Barrel: Patent Motor Question Mark
Train Material: Gold Question Mark
Center Wheel Material: Gold Question Mark
Regulator: Micrometer Question Mark
Hairspring: Breguet Question Mark
Pallet Jewel Material: Sapphire 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
Railroad Grade: No Question Mark
Dial Feet Locations: 10.5, 38.5, 56.0 Question Mark
Movement Markings: Hamilton
Lancaster, Pa.
19 Jewels
Adjusted 5 Positions
Safety Pinion
Case: Various Question Mark
Run ID: 2138.900G13.12S82.121M82.O1541.P628.19J70 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.528 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
74.36 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
32.63 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.232% Question Mark
Registry Population:
Scoped for This Run Only
16 (1.60%) Question Mark
$ Estimated Value (12 Month Change): -6.47% Analyzing 121 Sales Question Mark
Research Note: Pillar Plate Diameter: 1.630"

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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.


billreid 144 · June 23, 2021

Serial Number 1913679 was reported as accurate.

Anonymous · August 21, 2018

Serial Number 1913330 was reported as accurate.

jayjiang0830 47 · November 21, 2017

Serial Number 1913105 was reported as accurate.

aconner 63 · March 14, 2016

Serial Number 1913288 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · February 20, 2016

Serial Number 1913773 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · December 25, 2014

Serial Number 1913771 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Double Roller changed from No to Yes

crazyyog 1 · November 28, 2014

Serial Number 1913017 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · November 28, 2014

Serial Number 1913017 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · July 29, 2014

Serial Number 1913811 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes
Hamilton Grade 900 Pocket Watch
Hamilton Grade 900 Pocket Watch