The Endurance Pro blends high precision & innovative technology with a vibrant & colorful design. Lightweight Breitlight® case is 3.3x lighter than titanium & 5.8x lighter than steel, plus it’s non-magnetic, thermally stable & hypoallergenic. COSC-certified SuperQuartz™ chronograph delivers exceptional precision. Offered with colorful dials & rubber straps, plus an optional colorful Outerknown ECONYL® yarn single-piece strap. Perfect for athletes & everyday wear. 100% Swiss-made.