60s vintage watch mens Certina Certidate ref 5306 206 hand wind cal 25-661 NOS

Case:
o Gold plated and back in stainless steel, ref. 5306.206 serial 7215983
o Fine condition with strong geometry
o 32mm without crown / 36.6mm lug to lug / 8.5mm thickness / 17mm lug width
o Original plexiglass, It has marks of being cracked due to its age, we do not replace it to preserve originality
o Original crown 

Movement:
o Mechanical manual wind certina cal 25-661 - working well - photo of timegrapher 

Dial & Hands:
o Untouched in great condition

Bracelet Material:
o New 17mm light brown with generic golden buckle but still have attached the original strap with original buckle signed

Conclusion / Condition:
A new old stock collector's condition piece in working condition

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