alpina pocket watch

DEAR SIRS,
>
> I HAVE A GOLD ALPINA POCKETWATCH WHICH APPEARS TO HAVE BEEN
> MANUFACTURED IN 1930.
>
> THE SERIAL NUMBER IS 811201.
> IT IS INSCRIBED WITH THE WORDS:
>
> "TRUE UM TRUE'
> 1898 - 1938
> E. BEUMER
> BETRIEBSFUHRER
>
> IT APPEARS TO HAVE BEEN AN AWARD TO MR. BEUMER FOR 40 YEARS OF
> SERVICE AS A PLANT MANAGER.
>
> THE NUMBER 0.585 IS INSCRIBED IN THE COVER, WHICH I BELIEVE MEANS
> THAT IS 14K GOLD.
> THE NUMBER "30" IS INSCRIBED UNDER THE SERIAL NUMBER.
>
> THE FACE ONLY HAS THE NUMBERS 12, 3 AND 9 VISIBLE, AND A SMALL
> SECOND HAND FACE IS AT THE BOTTOM, WHERE THE "6" USUALLY WOULD
> APPEAR.
>
> THE WATCH RUNS WHEN I WIND IT.
>
> WOULD YOU HAVE ANY ADDITIONAL INFORMATION ABOUT THIS WATCH? WOULD
> YOU HAVE ANY IDEA HOW I MIGHT DETERMINE ITS VALUE, OR WHERE I
> COULD SELL IT?
>
> PLEASE CONFIRM RECEIPT OF THIS EMAIL
>
> THANK YOU VERY MUCH