Crafted to command attention, this perpetual calendar watch showcases dual time and a remarkable 1.5-year power reserve. Its sleek black dial, accented with subtle two-tone touches, is paired with sapphire glass and a convenient push-button buckle. Stay punctual with day/date, alarm, and month functionalities. Plus, with Eco-Drive technology, it's powered by any light source, eliminating the need for batteries.- Eco-Drive- 1.5-year power reserve (in power Save Mode) - Accuracy: ±15 second/per month- Stainless Steel Case and Bracelet - 42mmm Case Size- Sapphire Crystal - 100 Meters Water Resistant - Perpetual Calendar - Alarm - Day and Date - Dual Time Display - 12/24 hr time - Push Button Buckle - Low Charge Indicator