1990 Scuba 200 Swatch Watch Merou SDK101.
Diameter case 38 mm.
As a "scuba 200" model from Swatch, it is Water-resistant to 656 feet (200m).
Quartz precision, Shock-resistant and a rotating bezel to keep track of elapsed time.
Brand new never worn. Plastic box and instructions are supplied, a new battery will be installed before shipping.