An authentic Tissot Seastar 1000 featuring a blue dial, silver tone luminous hands, circle and index hour markers with minute outer track, automatic Powermatic 80.111 movement with 80 hours power reserve, screw down crown, round case size 43mm thickness 12.7mm, black rubber strap, tang clasp, unidirectional rotating bezel, date function, water resistant to 300 meters or 990 feet.