REACTOR Men's 54903 Poseidon LE Mechanical Automatic Movement Watch Brushed titanium diver's watch featuring blue dial with luminous hour markers and bright contrast minute and seconds hands Japanese automatic movement with analog display Mineral crystal dial window with 48 mm case diameter Features dual internal and external rotating bezels, knurled-edge pushers and screw bar case, and bracelet clasp with expander and double-locking-fold-over-clasp closure Water resistant to 1000 M (3,280 ft)