Meet the G-Shock Solar Bluetooth GSTB100D-1A9 G-Steel Watch, where toughness meets technology. Featuring a robust resin/stainless steel case and solid stainless-steel band, it's shock-resistant and water-resistant up to 200 meters. Powered by Tough Solar technology, it offers smartphone connectivity via Bluetooth® for seamless access to features like mobile link and automatic time adjustment. With a sleek design and advanced functionality, it's the perfect companion for your active lifestyle. - 58.1 × 53.8 × 14.1mm Case Size - 185g Weight - Resin/Stainless steel Case and Bezel - Solid Band Stainless Steel Band - One-touch 3-fold Clasp - Shock Resistant - 200 Meters Water Resistant - Tough Solar (Solar powered) - Smartphone Link/App Connectivity Features: Mobile link (Wireless linking using Bluetooth®) - Mineral Glass - Screw Lock Crown - World time: Dual time (Home city time swapping) - Stopwatch - Countdown timer - Alarm/hourly time signal - LED light (Super Illuminator) - Calendar: Full auto-calendar (to year 2099) - Energy saving feature: Power Saving (hands stop to save power when the watch is left in the dark) - Battery level indicator - Approx. battery operating time: *5 months on rechargeable battery (operation period with normal use without exposure to light after charge) *24 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) - Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second), 3 dials (dual time hour and minute, dual time 24-hour, day) - Date display - Day indicator