Xitiecheng BJ2115-07E is a light kinetic diving watch, which uses B740 movement, DLC wear-resistant carbon film stainless steel case, anti reflective coating mineral crystal mirror, and PU rubber strap. The left side of the watch is a pressure sensor and a water sensor. After entering the water, the watch will automatically switch to the diving mode. Professional diving functions such as electric quantity prompt on dial, depth gauge scale, depth warning, etc., 2