Drive system: Eco drive (B642). Material: Belt: Stainless steel (split pipe). Size (length x width x thickness): Approx. 46 x 41 x 11 mm. Can width: about 20 mm. Belt arm circumference: Up to about 20.5 cm. Reinforced waterproof for daily life (10 ATM). Average monthly difference ±15 seconds. Driving period: About 7 months when fully charged. 1/5 second chronograph (60 minutes total). All our items are 100% authentic. Depending on the products, the proper transformer and adaptor are required to use them in your local country, where the voltage is higher than 100V such as ...

   Maximum run time from full charge: Approximately 6 months. Water Resistance: 100 meters / 330 feet. Functions: Date, Hour, Minute, Second. Duratect DLC (Diamond Like Carbon). Eco-Drive (recharged by any light source, no need for regular battery replacement). Case Thickness: 9.3 mm. Second Markers: Minute Markers around the outer rim. Serial number in photos for reference only. We will provide you with a link to track your package online. Boxes are amply sized and your items are well-protected. We carry a large selection of up-to-date mobile accessories in many brands and models, and at ...