The The Sentry Solar Stainless Steel Watch from Nixon is equipped with a solar cell and skeletonised lum-tip hands. Wear them under office lights for an hour to have a full day of power, or expose them to direct sunlight for six hours to store power for 6 months.

FeaturesJapanese solar quartz movement by Epson with three hands and day and date functionSemi-transparent dial with applied stainless steel indices, logos and date window frame, imprinted seconds display and skeletonised steel hands with glow-in-the-dark blocks40 mm water-resistant stainless steel case with domed, hardened mineral glass, two-piece crown with enamel filling and screw-in stainless steel case back20 to 18 mm tapered solid stainless steel bracelet with double stainless steel buckle with micro-adjustment and quick-release clasp