Pocket Watch Database

We noticed that you entered a relatively short serial number.
"4773" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.
From the American Horology Archive:
Lancaster Watch Co. Grade Keystone Pocket Watch

Lancaster Watch Co.

Grade: Keystone

Manufacturer: Lancaster Watch Co. Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 4773 Question Mark
Grade: Keystone Question Mark
Variation: No. 7 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1879 Question Mark
Run Quantity: 700 Question Mark
Grade/Model Run: 2 of 5 Question Mark
Grade/Model Total Production: 2,200 Question Mark
Variant Est. Production: 1,100 (18S-M1-15J-AGK-ATI) Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Key Question Mark
Plate: 3/4 Plate Question Mark
Balance Type: Expansion Question Mark
Train: Quick Question Mark
Regulator: Mixed Question Mark
Adjusted: Yes Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Movement Markings: Keystone
Lancaster, Pa.
Safety Pinion
Click In Out
Adjusted
Case: Various Question Mark
Run ID: 7.G2.18S5.181M2.A2.K2.15J2 Question Mark
Database Version: v52.473 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.62 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
48.78 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.967% Question Mark
Registry Population:
Scoped for This Run Only
14 (2.00%) Question Mark
Research Note: #5180: Bitner Regulator. #5054, #5180, #4689, #4975, #4760, #4809, #4676, #5060,#5181: Marked "Adjusted"

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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.


GFHunter Supporter 28 · September 1, 2024

Serial Number 5025 was reported as accurate.

nicnic Supporter 405 · February 27, 2023

Serial Number 5181 was reported as accurate.

Lancaster Watch Co. Grade Keystone Pocket Watch