Seiko SSB347P Chronograph Sports Data Type PocketOrNurse The watch dial features a The watch dial features a square design with simple but elegant hour hands and markers that are clearly readable battery operating time: *7 months on rechargeable battery (operation period with normal use without exposure to light after charge) *18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Accuracy: ±15 seconds per month (with no mobile link function) Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents Introducing the Seiko SSB347P Chronograph Sports Watch With water resistance up to 100 meters