Pocket Watch Database

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ANTIQUE 16s E HOWARD SERIES 2 17 JEWEL 17j POCKET WATCH
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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/974238
Access Date: June 03, 2025

Due to the lack of existing factory records, our E. Howard Watch Co. (Keystone) database has been reconstructed using observations of known watches.
As a result, the information may contain inaccuracies. Please let us know if you have details that can improve the database.

From the American Horology Archive:
E. Howard Watch Co. (Keystone) Grade Series 2 Pocket Watch
E. Howard Watch Co. (Keystone)

Grade: Series 2

Manufacturer: E. Howard Watch Co. (Keystone) Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 974238 Question Mark
Grade: Series 2 Question Mark
Variation: No. 2 Question Mark
Model: 1905 Question Mark
Estimated Production Year: 1908 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 11 of 12 Question Mark
Grade/Model Total Production: 4,750 Question Mark
Variant Est. Production: 300 (16S-M1905-17J-ONL-A5PTI-NO. 2) Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Jewel Material: Ruby & Sapphire Question Mark
Jewel Setting: Gold Settings (Screw-Set) Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Wide Stripe Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Double Roller: Yes Question Mark
Regulator: Reed Question Mark
Hairspring: Breguet 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
Railroad Grade: Yes Question Mark
U.S. Patents: 781263, 796162, 886387, 900183, 992013, 971496, 978612, 981667 Question Mark
Dial Feet Locations: 10.7, 24.3, 48.9 Question Mark
Movement Markings: E. Howard Watch Co.
Boston U.S.A.
No. 2
Adjusted 5 Pos.
17 Jewels
Pat'd '05
Case: Various Question Mark
Run ID: 116.G11.16S91.161905M81.O66.L6.17J85 Question Mark
Database Version: v52.686 Question Mark
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Registry Population:
Scoped for This Run Only		2 (2.00%) Question Mark
$ Estimated Value (12 Month Change): 8.78% Analyzing 51 Sales Question Mark
Research Note: #974238: Verified as Marked "No. 2" with Parallel Pattern
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 2 watches in the population registry for this run with 1 image.
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E. Howard Watch Co. (Keystone) Grade Series 2 Pocket Watch