Rather, the date must be "de-coded" using symbols, serial numbers, and two-character codes placed on various parts of the watch. If that fails, identify and date the movement to narrow your search and try again to identify the case.In general, for all time periods, it is important to understand that Bulova watches never provide an obvious date of manufacture anywhere on the watch. Second, attempt to identify the model by matching the case to known examples (or to identification resources). Identification of a watch is a process, typically done as follows: First, establish that the watch is, in fact a Bulova. Those three date ranges are differentiated by the presence or absence of certain case and movement markings as well as the nature of any such markings, as explained below.Movement.
![]() ![]() Below are examples of the two movement signatures seen in early Bulova watches, with the example on the right becoming the standard signature after April 1923.Pre-1924 movement showing "BULOVA W. Narrowing down the date beyond that with certainty may not be possible based on current information. Co." on the movement, and with an "American Standard" only case signature, pre-dates April 1923. So, we may further extrapolate that any watch without a movement date code, with "Bulova W. Moreover, that change corresponds nicely with the introduction of movement date codes. Co." likely pre-dates April 1923. It is important to note that the conclusions conveyed below are based primarily on ladies' models, as we have very few examles of men's watches dating prior to 1925. Dating a watch this way requires opening the case and noting every detail of the movement and case and then comparing those details to the list below to see where the watch best fits in the timeline. So, the lists may be incomplete and even inaccurate to the extent that they contain information on movements that are not on-hand and available for examination and verification.I have recently begun to develop a theory regarding certain "markers' that may help us identify the date-at least with a reasonable degree of certainty-of these very early watches. However, it is important to note that all such movement lists are based on observations of examples rather than any official Bulova documentation. For one such movement list visit Bulova Movements. Consultation with online movement lists may provide at least ballpark information regarding the date of the watch. ![]() More than one name may appear on the movement. Movement signed "Rubaiyat", or "Bulova", or other Swiss movement maker (e.g., Etienee, Liengme, Favre). Case signed "Wadsworth" or "American Standard" with globe symbol Case style of pocket watch, typically converted to wear on the wrist crown at 12 o'clock position Case serial number begins with "2" or "3" Should i download mac os sierra for 2010 macbook proTrue wrist watch with the crown at the 3 o'clock position begins to appear, but converted pocket watches still in the majority Movement has a caliber designation-most likely a "B" movement Co." and may also be signed by another maker, such as Favre or P. Movement signed "Bulova W. Dial signed "Rubaiyat" or "Bulova Precision" or unsigned Movement has a caliber designation-most likely an "A" movement Dial signed "Bulova" or "Lady Maxim" (or, possibly, "Hudson Maxim") The number appears to have no date correlation Co." and most likely also includes a number within a triangle or trapezoid shaped box. Movement signed "Bulova W. Case serial number begins with "11" or "12" Movement has a caliber designation-most likely an "A" or "10" caliber movement Case signed "Wadsworth" or "American Standard" with shield symbol True wrist watch with the crown at the 3 o'clock position gaining popularity, but converted pocket watches still seen Tablet emulator for macMovement signed "Bulova Watch Co." and most likely also includes a number within a triangle or trapezoid. Case description of " "Warranted 25 Years" and most likely 19K Gold Filled Case signed "American Standard" with shield symbol
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