50s vintage watch mens Certina ref 81251 manual wind cal 28-15

Case:
o   All in stainless steel,  ref. 81251 serial 3536316
o   Fine condition with strong geometry
o   33.6mm without crown / 40mm lug to lug  / 9.3mm thickness /  18mm lug width
o   Plexiglass with some scratches
o   New generic crown

Movement:
o    Mechanical manual wind 28-15 -  serviced by watchmaker on July 2025
(movement was disassembled, washed, lubricated)
missing seconds wheel and consequent hand (sold in this condition) but does not affect operation

Dial and Hands:
    o  Black with evident signs of age

Bracelet Material: 
  o  New 18mm balck croco leather with generic chromed buckle

 
Conclusion / Condition: 
Very nice and elegant vintage certina 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