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Keystone E. Howard Antique American Pocket Watch Good Runner Grade 4 Circa 1909




Item History & Price

Information:
Reference Number: Avaluer:18898394Modified Item: No
Original Description:
Beautiful timepieceSuperior running conditionSidewinderGorgeous Arabic numeration double sunk white enamel dial with red marginal numerationGold center wheelPendent set steel blue handsHoused in a Keystone screw back watch caseWonderful piece of history
Grade: Series 4Manufacturer: E. Howard Watch Co. (Keystone) Manufacturer Location: Waltham, Massachusetts Movement Serial Number: 935213 Grade: Series 4 Model: 1905 Estimated Production Year: 1909 Run Quantity: 30 Total Production: 2...2, 690 Size: 16s Jewels: 17j Jewel Material: Ruby & Sapphire Jewel Setting: Gold Settings (Screw-Set) Movement Configuration: Hunting Movement Finish: Nickel Finish Pattern: Checkerboard Movement Setting: Pendant Plate: 3/4 Plate Double Roller: Yes Regulator: Reed Hairspring: Breguet Pallet Jewel Material: Sapphire Standard Dial Type: Double-Sunk Adjusted: Yes Adjusted to Position: Yes Adjusted # of Positions: 5 Adjusted to Temperature: Yes Adjusted to Isochronism: Yes Railroad Grade: No Dial Feet Locations: 10.7, 24.3, 48.9 U.S. Patents: 781263, 796162, 886387, 900183, 992013, 971496, 978612, 981667



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