The Time Companion began with a perpetual love of organic shapes and geometry, eventually taking shape and inspiration based on the iconic pattern established by the late Gerald Genta, who was the first to conceptualize the idea of visually integrating a watch case together with a bracelet to form a cohesive composition. The Time Companion builds on this foundation with several elements (e.g., the all-original hexagonal bracelet) that makes Dietrich, Dietrich. Power reserve up to 38 hours, 25 jewels, 28'800 oscillations per hour. Custom-cut sapphire crystal with anti-reflective coating on both sides. Screw-down crown. Water resistant to a depth of 50m / 5ATM. Case, frame and bezel 316L stainless steel, brushed,polished. Stainless steel hands and hour markers, mirror polished. Brand Dietrich Collection Time Companion Reference tc-1 black Movement Automatic eta caliber 2824-2 Case Steel Case Diameter 42 mm Glass Anti-scratch, Sapphire Dial Black Water resistance 5 Atmospheres Closure Double folding clasp Condition New Kit Original box and warranty