Brand: Eterna
Model: Sonic Electronic
Caliber: 1550 / ESA9162
Movement: tuning fork
Diameter (without crown): 35 x 41 mm
Lug to Lug: 18 mm
Dial: gray
Case Material: stainless steel
Strap Material: stainless steel, non original, new
Condition: good, fully working, new battery
Year: 70ies
Box: no
Papers: no
SEE PICTURES , PLEASE!