G-Shock GW8230NT-4 Frogman, taking a dive deep into this model as its design and innovation was influenced by the celebration of the 30th Anniversary of G-SHOCK Master of G FROGMAN family. Well known for their diver’s influenced construction its ISO-standard 200-meter water resistance, was made with the iconic G-SHOCK toughness and stability to face the harshest conditions. This is the thirst model to honour the 3 decades since the first debut of the G-FROGMAN back in 1993. This limited-edition timepiece combines the boldness of DW-8200NT debuted in 2000, with a vibrant red bezel, band, and LCD. The revival was constructed with the idea to minimise its environmental footprint. Using earth-friendly bio-based materials, the watch features bio-based resins in the band and bezel of the watch. Specifications: - 52 x 50.3 x 18mm Case Size - 84g Weight - Titanium/Bio-based resin Case and Bezel - Bio-based resin Band - Shock Resistant - ISO 200 Meters Water Resistant - Tough Solar (Solar Powered) - Mineral Glass Watch Features: - Diving feature - Dive time and surface interval measurement function Dive time: 1 second increments, up to 23:59'59 - Surface interval: 1-minute increments, up to 47:59'59 - Memory capacity: One set of data (dive start date and time, dive time) - Moon data (moon age of the specific date, moon phase graph) - Stopwatch - Countdown Timer - Alarm - Full auto-calendar (to Year 2099) - LED backlight (Super Illuminator) - World time - 31 time zones (48 cities + coordinated universal time), daylight saving on/off - Tide graph (tide level for specific date and time) - Battery level indicator - Button Operation tone on/off - Regular timekeeping: Hour, minute, second, pm, month, date, day - Accuracy: ±15 seconds per month