Movement Quartz movement Eco-Drive: converts light into energy - no battery change required Power reserve: 360 days Caliber: U822 30 time zones available, World Time, Timer: 99 minutes, +/- 15 sec per month, Eco-Drive Case/Band Stainless steel Thickness: 13,9 mm Diameter: 43,9 mm Sapphire crystal Stainless steel bracelet Folding clasp Other Details Water Resistance: 200M / 20ATM Date display World Time Chronograph Perpetual Calendar Alarm Weight: 212 g 5 years warranty Limited Edition 5900 pcs. Worldwide An interchangeable wristband is included