This watch has tonneau-shaped case, 53.7mm x 41mm made from stainless steel. Open caseback with sapphire crystal. Sapphire crystal face with none-reflecting coating. Water-resistance 100 meters Polished titanium screws with exclusive CVSTOS TECHNOLOGY pattern. Screw-down crown, made from titanium with rubber insert. Blue dial with Arabic numbers. Exclusive CVSTOS TECHNOLOGY decoration. Sapphire, none-reflective coating. Super-Luminova treated indexes. Hands are pierced, chromed and Super-Luminova treated. Calibre: Skeletonized. Automatic chronograph calibre CVSTOS 577. Functions Chronograph, power-reserve indicator, date. (date disc skeletonized). Power-reserve 42 hours Jewels 25 Frequency 28,800 vibrations per hour Black Rubber (Nitril-NBR®) strap with buckle Folding clasp.