red line RL-18101-01-BB Watch RL-18101-01-BB Black ion plated stainless steel case, Black dial, Black textured silicone bracelet, Swiss quartz, (ISA 9238/1970 (FE)) movement, 10 ATM/100 meters/330 feet Case Shape - Round 10 ATM/100 meters/330 feet Black ion plated stainless steel