Technical Archive

Swatch
Sistem 51 SUTW403— lug 20mm

Cinturini 20mm per Swatch Sistem 51 SUTW403. Pelle, NATO, gomma. Artigianali, spedizione rapida. Personalizza online.

Sistem Polka — orologio

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Swatch SUTW403
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

SUTW403

Movement

Swatch caliber Sistem51 Date

The Heritage

The Sistem 51 was launched by Swatch in 2013 as the first fully machine-assembled automatic mechanical movement. It features the Sistem51 caliber composed of 51 components with date indication. The case presents standard Swatch dimensions with synthetic materials characteristic of the brand.

Compatible Straps

Selected for 20mm lug width