

- #E howard watch company boston keystone extra serial numbers#
- #E howard watch company boston keystone extra series#
Screw Bezel, Solid Back, Swing Ring, Dust Proof 19 fine jewels – going parts of barrel jeweled.” "The Open-face lever-setting model of this movement, when fitted in the Howard special dust-proof, Swing Ring case, is especially recommended for railroad service and for the use of railroad men ( see page 40 - Kent's Note: Pages 40-1 further describe the swing ring case). (Open Face supplied either Pendant or Lever Setting) Boston" (or some such variation) in addition to the Keystone markings and that the case is marked "Extra." This applies if, and only if, your watch is in its original case is signed "E.

Howard Watch Works, Waltham, Mass, September, 1912, reprinted by Vintage Catalogs, 2003.
#E howard watch company boston keystone extra series#
The information below comes from page 13 of Howard Watches – An Illustrated Description of the Complete Series of Howards – Including the Latest Developments in this Celebrated Watch, E. Your pictures fail to show some of the significant parts of the case, nor did you post any of the markings, so the below information may not be fully applicable. Your watch case is gold-filled, indicated by the balance (scales) trade mark. Keystone-Howard’s railroad grade watches are discussed in some detail in the NAWCC Bulletin, April 1999, pages 191-206. Thus, the case ought to be marked "Howard Watch Co." in addition to Keystone or Crescent markings. It is believed that all Keystone-Howard watches were furnished in Howard-signed gold, or gold-filled Keystone or Crescent (a Keystone company) cases. Additional pictures and more information can be viewed at Howard Pocket Watches 1858-1930. Pictures and some catalog information on Keystone-Howard watches can be viewed at the excellent E. Its also helpful if you can post all the markings that are on the movement (the "works") in case they can't be seen in the picture(s). The picture does not show up in the " Instant Reply" text box in which you've written your thread or your reply, nor does the picture appear in the " Preview" Note that there is no indication of attaching a file (picture) until you go to actually post your thread or your reply. When the " Help - FAQs" box opens, click on the question " How do I upload an image with my post? and follow the instructions.

To post an image, scroll to the top of the thread and click on the " help" button. Pictures showing the whole case, inside markings, outside front and back, will help us identify the case part of the catalog number. We may be able to more positively identify it by the shape of the plates. It would be helpful if you could post a picture of the movement (the "works"), the clearer and sharper, the better, other pictures will help, but this is the most important. There's still a lot to be learned about it. Even experienced collectors have a problem understanding Keystone-Howard's series numbering system, especially as it applies to their 3/4-plate, 16-size movements. If all of this seems confusing, welcome to the club. 413 is a 17-jewel, series 4 movement in the same case. 013 - the zero is understood) is a 23-jewel, series 0 movement in a 18 K, solid gold, extra heavy, engine-turned hunting-case. In the instances of two digit catalog numbers, the movement is the 23-jewel series 0. The two rightmost digits of a catalog number identify case material and style and the remaining digit(s) to the left are the series number. The catalog numbers are two, three or four digits. Essentially, the only indication of the movement series numbers in Keystone-Howard catalogs is in the complete watch catalog number. Selman (Sandy) Berger discusses the subject in great detail in his article "Some Aspects Regarding the Significance and Evolution of Model Number Designations for Keystone Howard Watches," NAWCC Bulletin, June 2001, pages 305-309. This fact has caused a great deal of confusion in identifying the series of unmarked movements, especially the 21-jewel series 1 and 10, and the 17-jewel series 2, 3, 4 and 9. Later 16-size movements were marked with the series numbers, but not the earlier ones.

The grades of many Keystone-Howard movements are identified by their series numbers. This means that determining the date of a movement is very difficult beyond a few key dates.
#E howard watch company boston keystone extra serial numbers#
date tables that are based upon dividing the overall range of serial numbers by the total years the watches were in production just don't apply. The rate of production of Keystone-Howard watches was not always a constant. 1912 or 1913 sounds about right for the date. It sounds like you have a 19-jewel, 16-size, open-face watch which is a grade that Keystone-Howard later marked as the Series 5. Welcome to the NAWCC Pocket Watch Message Board!
