The Swiss made ACE133 is powered by a Swiss made chronograph and features anti-reflection sapphire crystal

this watch is perfect for both daily wear and adventurous pursuits

The polished silhouette captures vintage diver inspiration with modern enhancements

reflecting Erdem’s romantic yet daring design language

U-Boat Classico 45 Titanium Tungsten Chronograph Men’s Black Watch 20mm The Swiss made ACE133 isU Boat Classico 45 Titanium Tungsten Chronograph Ref. 3004 is a numbered and limited edition of just 299 pieces, expressing timeless elegance through a bold fusion of titanium lightness and tungsten strength. Powering this timepiece is the Sellita SW 500 automatic chronograph movement, modified to U Boat specifications and delivering a robust 62 hour power reserve. Chronograph functionality, date display, and a 24 hour indicator are driven by a