Pocket Watch Database
April 6, 2013
|Case Manufacturer||Philadelphia Watch Case Co.|
|Case Serial #||870858|
|Case Details||Silverode (nickel alloy) case with cion edge detail on both bezel and case back cover.|
|Dial Signing Name||private label S.G. Twambley & Son, Biddeford, Me.|
|Dial Details||Private label dial marked "S.G. Twambley & Son, Biddeford, Maine|
|Movement Markings||"Adjusted", 17 Jewels", "Safety Pinion". and 40430 (ser. no.) stamped on train plate. Private label marked "S.G. Twambley & Son, Biddeford ME" stamped on barrel plate.
This movement has been well cared for over it's 114 year life. Recently tested it in various positions oven a twenty day period and the average error was was only +3.21 seconds per day.