====== SW 400 ====== **SW 400** is a caliber manufactured by [[Sellita]] The SW 400 is a [[self-winding]] Swiss movement introduced in [[2014]] to meet the growing demand for larger watch cases. It is based on the proven [[SW 200-1]] (and thus indirectly on the [[ETA 2824-2]]), but differs in that it features an additional spacer ring that increases the diameter from 25.6 mm to 31.00 mm (14'''). {{tag>Movements Automatic_movements Sellita_calibres}}