Keystone Standard

Watch Company

Early Forerunner of the Hamilton Watch Company. Keystone Watch company sold to // became the Hamilton Watch Company in 1891.

Please do not confuse this scarce low production "Keystone Standard" Watch with the "Keystone Howard" watch models that hundreds of thousands were made! 




EXTREMELY Low production & short lived company from 1886-1891. Keystone watches only made for

4 1/2 - 5 years!! 


Original Factory Keystone single sunk Porcelain Dial


100% All Original


All American Made


American 18 Size, or 58mm (Not Measuring the Sleeve, Stem, Crown or Bow).  Simple all smooth polished back and case edge with fine coin edge bezel. This case is the dust & moisture resistant one piece solid back "swing-out" (U.S. Patented 1879) trouble free solid Nickel case!


Stem wind - Lever-Set (at 5:00 position), Straight line stick regulator,  7 Jewel,  3/4  Gold Gilt Plate, Exposed suspended balance assembly movement



Stem Wind and   Lever Set

(at the 5:00 position)


Good Condition Original Keystone factory single  sunk porcelain dial with bold black enameled Roman numbers. With the crystal and bezel removed, this original rare watch has chips and subsequent white enameled dial repair on the farthest outside edge of the dial at approximately the 4-5. With the bezel & crystal in place, it is barely detectible. We have MORE than adjusted the price of this SUPER scarce timepiece accordingly.


This watch has miraculously maintained its original domed & beveled Glass crystal.


We have even supplied a matching New Old Stock (never used) solid Nickel pocket watch chain!!


Why take a chance buying watches from online auctions, 3rd parties, brokers or "middlemen" not knowing for sure if the watch will be in proper running order when you get it?  Buy direct from a Vintage & Classic timepiece specialist and play it SAFE!



CIRCA: 1888



Very Good Overall Condition


$258 + S/H


Item # P4246-COF





Over the past 40 years of business we have always taken pride that we strive for our clients and customers satisfaction. If you are not pleased with your Boomertime purchase immediately upon opening your order, simply re-seal the package exactly as it was shipped to you, with the merchandise in exactly the same condition as when we sent it out, and we will offer you a no hassle exchange or refund. Our customer friendly policies are why we have such a HIGH degree of happy return customers. 


The image on this page is of the actual item for sale. It is not a stock photo of a similar item or a 2nd generation Photograph. If you don't find the particular watch you are looking for, or have ANY questions, please don't hesitate to call us Nationwide Toll Free at: 866-278-3180  during our full time shop hours Monday - Friday from 8:30am - 4:30pm Eastern Time. Please note we close for our lunch hour at noon daily.



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