Certina Sub Second
A gift from my grandparents which is why this watch is not for sale, it is only listed as a reference.
Brand: Certina
Model: -
Reference: 81115/3623145
Year: -
Caliber: 321
Case diameter: 34 mm
Lug to lug: 43 mm
Thickness: 7 mm
Lug width: 18 mm