Nixon The Sentry Ss A356-510 is a functional and very impressive Gents watch. Material of the case is PVD Gold plated and the Black dial gives the watch that unique look. The features of the watch include (among others) a date function. 100 metres water resistancy will protect the watch and allows it to get submerged in the water for everyday usage including swimming, but not high impact water sports. We ship it with an original box and a guarantee from the manufacturer.