Reference: 5990/1A-011 Movement: Self-winding movement with flyback chronograph, a Travel Time function and date at 12 o’clock Jewels: 34 Caliber: CH 28-520 C FUS Case: Stainless steel case. 40.5mm in diameter. Bezel: Stainless steel Crystal: Sapphire crystal and caseback Dial: Sunburst blue with black-gradient rim, horizontally embossed, gold applied hour markers with luminescent coating Bracelet: Stainless steel with patented fold-over clasp with lockable adjustment system