Electric Watch Repair Manual by Henry B Fried, 1965 The first Hamilton Electric was the Model 500 Released January 3, 1957 and produced into 1959. The critical contact wiretrip spring assembly consists of two very fine wires mounted to posts on the patent plate, which extend to the balance wheel as seen in the picture on the upper right. Hamilton Watch Repair Services Please note that I have retired and am no longer restoring watches. I suggest you contact my successor, Jarett Harkness, at www.
unwindintime. com. Hamilton 500 to 505 conversion Dial and hand changing to suit your requirements Disassembly, cleaning, reassembly, relubrication and regulation on all of Information about vintage Hamilton watch repair, restoration, models, and advice for collecting and collectors In 1957 Hamilton introduced the world's first electric watch movement.
the 645 movement I suspect Hamilton 505 repair manual is a Swiss made caliber made by ESA. To my knowledge, only the 500 series (500, 500A, 505) were made in the USA by Hamilton The most obvious differences we could see are: The Hamilton 505 uses a spring clip which hooks into two slots in the bottom plate, and also relies on the movement ring to help locate it. Oct 17, 2013 I found a Beautiful Hamilton Skipjack with a 505 Electric movement at a local Antique Flea market.
After removing the crystal I found it was missing the battery clamp but the movement was in Hamilton 500 ElectricRepair and service or click hereor here Bulova Interchangeable Parts Catalog, Revised Edition, 1971 Hamilton 505 Electric Repair and service (505 info starts on book page 167) or click here or here Jul 18, 2014 MOVEMENT: This Ventura features the cult classic caliber 505 movement, essentially the 3rd and best iteration of Hamilton's Electric movements with several improvements over the previous 500 and 500A versions.