|Diameter:||25.60 mm (11.5 ligne)|
|Complications:||Date, Hacking Seconds, Quick Date Correction|
|Hands:||Central Hour Hand, Central Minute Hand, Small Seconds Hand at 9:00|
Many manufacturers base their movements on the Sellita SW290-1. Movements based on the SW290-1 with modules or more modifications include Mühle SW 290-1.