The SW 220 (or SW 220-1) is a calibre by Sellita.

Mechanical movement with self-winding, ball-bearing rotor, hacking seconds device, power reserve ca. 38 hours.

Like SW 200, with additional day of week indication.

Clone of the calibre ETA 2836. Availabe in the quality levels Standard, Spécial (Elaboré), Premium (Top) or as Chronometer version.

Used for instance in the model Oris WilliamsF1 Team Day Date.