10s vintage watch Alpina solid silver 0.800 and rose gold manual wind

Here we have a curious Alpina that takes us back to the beginning of the 20th century, it is a .800 solid silver watch that is likely to have been adapted from a pocket to a wrist, the movement has been cleaned but it  is 13 minutes late, it is a mechanism that is over 120 years old…

Case:
o Solid silver 0.800 and rose gold plated, with marks and scratches serial 485901 
o Fine condition with strong geometry
o 31mm without crown / 35mm lug to lug / 10mm thickness / 12mm lug width

Movement:
o Mechanical manual wind U.H. 1205 cleaned and lufrificated in 2025
It is 13 minutes late per day 

Dial & Hands:
o In good condition

Bracelet Material:
o New 12mm brown leather military, matching well

Conclusion / Condition:
A rare and Interesting piece in working condition…

please see photos as they are part of the description.
No box or pappers, no water proof test, sold as is, any question feel free for ask...
Keep in mind that it is a vintage watch, it is normal to be 1/2 minute early or late
wrist-treasure