Solar-Powered & Rechargeable: The internal solar panel charges the battery using sunlight or indoor fluorescent light, providing a long life and eliminating the need for frequent charging. 
Hybrid Construction: It combines a lightweight polyacrylate case with a 316L stainless steel bezel, offering a high-quality feel and appearance with enhanced durability. 
Bühlmann Algorithm: The Z1 uses the Bühlmann ZHL-16C algorithm for safe, no-decompression diving. 
Nitrox Capability: It can be programmed for up to four Nitrox mixes with oxygen (O2) levels ranging from 21% to 100%. 
Multiple Modes: Users can switch between Dive Mode, Surface Mode, and Watch Mode, which includes world time. 
Intuitive Design: It features large, easy-to-read numbers and letters on the display, with large, accessible buttons for easy navigation. 
No-Decompression Support: The Z1 is engineered to support safer no-decompression diving by providing essential dive information.
Informative Display: In Dive Mode, it shows depth, water temperature, dive time, ascent speed, and decompression information.
Surface and Watch Functions: In Surface Mode, it displays surface interval time and desaturation time. In Watch Mode, it serves as a functional world time watch.