LUMINA CHRONOSPHERE Chronograph BlueThe LUMINA CHRONOSPHERE offers a sport forward take on the Chronosphere line. The 43 mm case is crafted from solid stainless steel with a brushed and polished silver finish, formed in the signature square profile with a round bezel. This structure gives the watch a strong presence without appearing excessive on the wrist. A flexible blue silicone strap reinforces the watch's contemporary character. Comprehensively tested, it is well suited for daily