Technical Archive

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.