Alba Prestige AS9S29X Data WatchStrapMaterial Silicone A completely monochromatic look A completely monochromatic look battery operating time: *8 months on rechargeable battery (operation period with normal use without exposure to light after charge) *19 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 12 24 hour format Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents this watch combines durability with a classic aesthetic suitable for both formal and casual attire offering protection against water splashes and light rain