Sellita caliber

Sellita SW100

Sourced specifications: automatic winding, 42-hour power reserve, 28,800 vph, and 25 jewels. Watchfari lists 18 references using the Sellita SW100, spread across 3 brands and 3 families. Sourced case diameters run from 28 mm to 33 mm. Every sourced movement here is automatic. The most common sourced case material is stainless steel (12 of 14).