August 15, 2026Published by on August 15, 2026Categories Swatch Sistem 51 SUTB400 & SUTS401 NOS Unworn Complete Boxed 2014• SUTB400 (Black). • SUTS401 (Blue). For sale is a matching pair of original Swatch Sistem51 automatic watches • Original Swatch presentation cases. They have never been worn and remain in outstanding original condition.
