Pocket Watch Database

We noticed that you entered a relatively short serial number.
"1215" 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:

Otay Watch Co.

Grade: F.A. Kimball

Manufacturer: Otay Watch Co. Question Mark
Manufacturer Location: Otay, California Question Mark
Movement Serial Number: 1215 Question Mark
Grade: F.A. Kimball Question Mark
Model: 1 Question Mark
Estimated Production Year: Login to View Question Mark
Run Quantity: Login to View Question Mark
Grade/Model Run: Login to View Question Mark
Grade/Model Total Production: Login to View Question Mark
Size: 18s Question Mark
Jewels: 11j Question Mark
Jewel Setting: Login to View Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Lever Question Mark
Wind Mechanism: Pendant Question Mark
Plate: Full Plate Question Mark
Balance Type: Expansion Question Mark
Regulator: Login to View Question Mark
Hairspring: Login to View Question Mark
Adjusted: Login to View Question Mark
Railroad Grade: Login to View Question Mark
Movement Markings: Login to View
Case: Various Question Mark
Run ID: 3.G1.18S3.181M3.H3.L3.11J3 Question Mark
Database Version: v52.645 Question Mark
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population:
Scoped for This Run Only
9 (3.00%) Question Mark
10 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Jewel Setting, Regulator Type, Hairspring, Adjustments, Railroad Grade Designation, Movement Markings

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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 · September 10, 2023

Serial Number 1028 was reported as accurate.