Seiko Prospex Sea Collection Solar Watch With A Statinless Steel Bracelet Strap, 342.8mm Case With Red & Blue Rotating Bezel & A Silver Coloured Dial With Date Window. This practical diver’s watch with sapphire glass is conveniently solar-powered; the watch charges from both natural and electric light. Prospex is a combination of the words ‘Professional’ and ‘Specifications’. These timepieces are designed to be practical, reliable and durable within extreme or everyday environments, for experts, sports lovers and adventure seekers alike. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative watchmaking has changed global dive watch standards. Calibre Type: Solar - Powered By Any Light Source Calibre Function: Analogue - 3 Hands Accuracy: +/-15 seconds a month (at normal temperature range (10°C and 60°C) Power Reserve/Battery Life: 10 Month Power Reserve Calibre Number: V157 Display: Analogue Water Resistance: Diver's 200 Metres Rotating Bezel: One Way Hand Indicators: Hour, Minute, Seconds Lumibrite: Hands & Hour Markers Dial Markers: Batons Features