BG-169 series Resin and stainless steel composition Adjustable band Shock-resistant construction 200-meter water resistance Approx. battery life: 3 years on CR1616 Mineral glass World time - 29 time zones and 30 cities 1/100-second stopwatch Countdown timer LED backlight for super illuminator afterglow Full auto-calendar Button operation tone on/off Telememo features a memory capacity of 5 records (8 characters each) Size: H 0.64 x W 1.68 x L 1.80 in  Weight: 43 g   Style: bg169m-1 Material: Resin / Stainless Steel