G Shock GSTB400GB 1A9 G Steel Data Gemstone Quartz The Lorus R2387HX 9 Digital watch The Lorus R2387HX 9 Digital watch combines vibrant style with robust functionality With its shock resistant construction and 200 meters water resistance battery operating time: *7 months on rechargeable battery (operation period with normal use without exposure to light after charge) *18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Accuracy: ±15 seconds per month (with no mobile link function) The G Shock GSTB400GB 1A9 Stay Gold Theme Men's Watch is a sophisticated choice with a luxury feel and real world practicality