Black steel case and sapphire crystal glass with antireflective coating Two modes: Military Gauge and Off Gauge mode tailored to military needs, including two independent stopwatches that can be start/stop underwater and during surface interval Integrated tilt-compensated 3D digital compass Wireless air integration (with optional tank pressure transmitter) D6M etching on back plate to differentiate from D6i Novo black Updateable firmware NOTE: This product does not contain a decompression algorithm.