The Swatch Aqua Chrono ONDA NERA SBM103 is distinguished by the wavy strap base and the also wavy structure. The series of Swatch Aqua Chronos was produced in the 90s, the classic offered here is from the model year 1995. It is a mixture of Scuba 200 and Chrono. Attached to the gray plastic case is the black plastic case. The sporty watch has a rotating bezel for diving time detection, a Chrono function for stopping the time, is water resistant and has a precision quartz movement with battery.
Case diameter of the Swatch Aqua Chrono is 43.5 mm (= 1.71 inch)