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: 1750218 Question Mark
Grade: 900 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1910 Question Mark
Run Quantity: 11,000 Question Mark
Grade/Model Run: 1 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
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: 2057.900G1.12S1.121M1.O1460.P547.19J58 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.465 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
106 (0.96%) Question Mark
$ Estimated Value (12 Month Change): -10.67% Analyzing 121 Sales Question Mark
Research Note: Pillar Plate Diameter: 1.630"

Help Us Help Others By Improving the Database:

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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 27, 2024

Serial Number 1760986 was reported as accurate.

cjbrem Supporter 916 · June 25, 2024

Serial Number 1756544 was reported as accurate.

ChaAzi 2 · May 25, 2024

Serial Number 1758697 was reported as accurate.

Blicquer Supporter 90 · March 22, 2024

Serial Number 1752415 was reported as inaccurate.

Note: Raised gold jewel settings are pressed, no screws.

Anonymous · March 13, 2024

Serial Number 1760392 was reported as accurate.

Anonymous · February 12, 2024

Serial Number 1755146 was reported as accurate.

RobW21 1 · February 8, 2024

Serial Number 1757736 was reported as accurate.

Anonymous · September 26, 2023

Serial Number 1755017 was reported as accurate.

ChrisG Top Contributor Supporter 601 · May 11, 2023

Serial Number 1751349 was reported as accurate.

ChrisG Top Contributor Supporter 601 · May 11, 2023

Serial Number 1754118 was reported as accurate.

Anonymous · September 21, 2022

Serial Number 1754895 was reported as accurate.

Anonymous · September 19, 2022

Serial Number 1754895 was reported as accurate.

Anonymous · August 9, 2022

Serial Number 1754692 was reported as accurate.

billreid 143 · July 14, 2022

Serial Number 1758234 was reported as accurate.

Anonymous · July 12, 2022

Serial Number 1754626 was reported as accurate.

pwdmbj Supporter 557 · April 14, 2022

Serial Number 1754116 was reported as accurate.

Anonymous · January 31, 2022

Serial Number 1760965 was reported as accurate.

Anonymous · January 15, 2022

Serial Number 1753512 was reported as accurate.

Anonymous · December 29, 2021

Serial Number 1750838 was reported as accurate.

Anonymous · December 23, 2021

Serial Number 1754895 was reported as accurate.

Anonymous · November 26, 2021

Serial Number 1757585 was reported as accurate.

Anonymous · October 13, 2021

Serial Number 1755478 was reported as accurate.

Anonymous · October 8, 2021

Serial Number 1753174 was reported as accurate.

Anonymous · October 3, 2021

Serial Number 1750566 was reported as inaccurate.

No further details were submitted with the report.

billreid 143 · September 7, 2021

Serial Number 1759234 was reported as accurate.

Anonymous · July 20, 2021

Serial Number 1753174 was reported as accurate.

brianwatches 53 · July 2, 2021

Serial Number 1756407 was reported as accurate.

Anonymous · May 13, 2021

Serial Number 1756527 was reported as accurate.

judyjones 1 · April 27, 2021

Serial Number 1750612 was reported as accurate.

Anonymous · February 15, 2021

Serial Number 1752297 was reported as accurate.

Anonymous · December 2, 2020

Serial Number 1750870 was reported as accurate.

Anonymous · November 12, 2020

Serial Number 1759620 was reported as accurate.

slufdriver 60 · November 2, 2020

Serial Number 1752403 was reported as accurate.

bunnofnickle 67 · November 1, 2020

Serial Number 1752609 was reported as accurate.

Anonymous · August 7, 2020

Serial Number 1757805 was reported as accurate.

Anonymous · July 21, 2020

Serial Number 1753378 was reported as accurate.

Anonymous · February 22, 2020

Serial Number 1755079 was reported as accurate.

Anonymous · February 14, 2020

Serial Number 1758619 was reported as accurate.

Ottokar Supporter 4 · February 1, 2020

Serial Number 1760492 was reported as accurate.

Anonymous · February 1, 2020

Serial Number 1760492 was reported as accurate.

Anonymous · November 5, 2019

Serial Number 1759476 was reported as accurate.

Anonymous · October 18, 2019

Serial Number 1757327 was reported as inaccurate.

Note: Serial Number 1757327 has Friction/Pressed jewels

Anonymous · October 16, 2019

Serial Number 1751664 was reported as accurate.

Anonymous · September 20, 2019

Serial Number 1752320 was reported as accurate.

Anonymous · July 24, 2019

Serial Number 1758471 was reported as accurate.

Anonymous · April 28, 2019

Serial Number 1757990 was reported as accurate.

Anonymous · February 25, 2019

Serial Number 1756309 was reported as accurate.

Anonymous · February 22, 2019

Serial Number 1751016 was reported as accurate.

Anonymous · February 17, 2019

Serial Number 1755017 was reported as accurate.

Anonymous · February 4, 2019

Serial Number 1755498 was reported as accurate.

Hamilton Grade 900 Pocket Watch
Hamilton Grade 900 Pocket Watch