Technical Archive
Swatch
Swatch
Sistem 51 SUTW404— lug 20mm
Swatch Sistem 51 SUTW404: guida cinturini 20mm. Scopri compatibilità, materiali consigliati e come cambiarli.
Technical Specifications
Swatch SUTW404
Lug Width
20
mm
The essential strap measurement.
Browse 20mm straps →
Reference
SUTW404
Movement
Swatch caliber Sistem51 Date
The Heritage
The Sistem 51 was launched by Swatch in 2013 as the first automatic mechanical movement entirely assembled by machines. It features the Sistem51 caliber with 51 components, a power reserve of 90 hours, and a date indicator. The case has a welded monoblock construction, hermetically sealed and not serviceable.
Compatible Straps
Selected for 20mm lug width