Seiko Prospex 'Black Series' Collection Limited Edition Solar Watch With A Black Statinless Steel Bracelet Strap, 38.5mm Case With Rotating Bezel & A Black Coloured Dial With Date Window. Night diving is a great way to enjoy a completely different experience of the sea from that of diving in the daytime. Many divers are fascinated by the mysterious world of the ocean at night, making this recreational activity popular around the world. Today, four special watches that evoke the underwater world at night join The Black Series. The black case expresses the darkness and silence of the night ocean, and the orange color is inspired by the lights that illuminate it. Japan's first diver's watch, launched in 1965. The watch proved its reliability when used in the harsh environment of Antarctica in the 1960s. The new creation is true to its heritage in design, but is updated to the standards of today's Prospex. The watch is perfect for daily use with a slim profile and the low center of gravity of the case. The hour markers and hands are coated with Lumibrite to ensure high legibility in the darkest of conditions. 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: Operating for approx. 10 months (when fully charged) Calibre Number: V147 Display: Analogue Rotating Bezel: One Way Hand Indicators: Hour, Minute, Seconds Lumibrite: Hands & Hours Markers Dial Markers: Batons Limited Edition 6,000 Pieces Worldwide