Gamification by Design: Implementing Game Mechanics in Web and Mobile Apps

A touch of sky goes a long way: a solar-powered timepiece by Seiko. Stainless steel bracelet and round case. Mother-of-pearl dial features silver-tone three hands, applied stick indices at markers, date window at three o'clock, and logo at twelve o'clock. Solar-powered quartz movement. Water resistant to 100 meters. Three-year limited warranty.