Celebrate 50 years of Casio watches with a beautiful BABY-G that symbolizes Casio�÷??s determination to stay true to who we are while constantly innovating. The special commemorative color scheme and design incorporates Casio colors, materials, and finishes to evoke the omnipresent yet ever-changing nature of the sky, the sea, and the sunlight �÷?? shining today and forevermore. Equipped with Tough Solar and made with bio-based resin, this BABY-G strikes just the right balance between the commemorative theme colors of blue and gold. It pays homage to the original Casiotron with a dial featuring the classic fluted design. The case back is engraved with an original logo crafted to celebrate the 50th anniversary of Casio watches. The 50th anniversary logo echoes the logo featured on the case back of the first-ever Casiotron, specially redesigned today to mark this significant milestone. The watch comes in a special environmentally responsible package made with recycled materials, which also includes a cotton pouch for storing accessories. Case / bezel material: Resin/Bio-based resin Bio-based resin band Neobrite Shock Resistant Mineral Glass 100-meter water resistance Tough Solar (Solar powered) LED light (Super Illuminator) Afterglow LED:White World Time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping 1/100-second stopwatch Measuring capacity: 59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 to 60 minutes (1-minute increments) Daily alarms Hourly time signal Battery display/alert Battery level indicator Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)) Digital: Hour, minute, second, pm, month, date, day Accuracy: Çï¶Ï30 seconds per month Approx.battery life: 11 months on rechargeable battery (operation period with normal use without exposure to light after charge) 20 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Size of case : 44.5 ƒ?ª? 38.6 ƒ?ª? 12.4 mm Total weight : 34 g