Timex Expedition North Sierra TW2V07300 Data Brand Bulova battery operating time: *5 months battery operating time: *5 months on rechargeable battery (operation period with normal use without exposure to light after charge) *24 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) Regular timekeeping: Analog: 3 hands (hour enhancing its utility for daily use Indulge in the enduring allure of the Timex Expedition North Sierra TW2V07300 Men’s Watch and Timex's reputation for reliability makes it a timeless choice