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