Brief History: Bulova Watch Company
Instead, the appropriate decade must be determined by examining the style of the watch in light of the styles of each decade. Your movement serial number may not be in exactly the same location as the one in the photo, but you are looking for the serial number that is on the watch mechanism itself... Watches dated post 1949 have a 2 alpha-numeric date code on the outside backcase, whilst watches dated before 1950 usually contain a date code symbol on the inside movement see below for examples. Another useful resource we found during our research was on the Retro Seiko website.
Wittnauer remained independent until 2001 when it was purchased by Bulova. For a detailed analysis, and examples, of Bulova case signatures through the years,. This 4-8 digit number is engraved by Rolex on every watch and it can be used to determine its production date. A very good place to study styles by decade is right here on Watchophilia.
Brief History: Bulova Watch Company - Thus, the presence or absence of a movement serial number, in conjunction with the date symbol on the movement, also helps narrow down the date. Look at the image below for example as soon as you open the back case there is a symbol pointing by red arrow that was being used that time for dating.
Rafal, you are conflating case number and reference number. The A, D and E with three numbers bulova and after are case numbers, the number or letters followed by a 3, 4 or 5 digit numbers are model references. Zenith didn't use any case numbers after it ended the E format, but stamped the caseback with the model number in the new all-number njmber eg 01. R Rafal, you are conflating case number and reference number. The A, D and E with three numbers before and after are case numbers, the letter or letters followed by a 3, 4 or 5 digit numbers serjal model references. Zenith didn't use any case numbers after it ended the E format, but stamped the caseback with the model number in the new all-number format eg 01. The present watch no serial number but the reference number that identifies it to the year 1963. I wrote about it on my forum: I'm sorry but it is in Polish. Maybe someone from the Polish reads and wants to explore their knowledge. The present watch no serial number but the reference number that identifies it to the year 1963. I wrote about it on my forum: I'm sorry but it is in Polish. Maybe someone from the Polish datings and wants to explore their knowledge. I'm going to check out the Polish forum. I think I ublova serial have an easier time with it. This jumbling of serial numbers and reference numbers is giving me a headache. In any event, all of the watches that I have seen with case serial numbers like this, i. And the ones with numbers of the format xxxAxxx have been earlier, perhaps as early as 1963.