This classic and faultless design continues to evolve with this blue colour strap/cases. The Casio F91W has become an institution among digital watch designs and though many can claim extra features, few can compare with that retro and chic sensation you feel each time you wear this everlasting masterpiece. This Casio watch features a 7 tear battery life, stopwatch, alarm, microlight, auto calendar and day/date display. Watch features:Digital display. Grey dial. Case width 33.2mm. Resin case. Blue coloured resin adjustable strap. Battery power. Quartz movement. Splash proof (up to 30m). No bezel. Chronograph watch. Backlight. Day and date display. Alarm. Stopwatch feature. General information:Packaging: Casio presentation box. Model number: F-91WS-2EF. Manufacturer’s 2 year guarantee. EAN: 4549526261060.