The best-selling MQ-24 is back, now made with more environmentally responsible materials. The hour, minute, and seconds hands design features simple index numbers in a lineup of different monochromatic color schemes, all polished to a slim, minimalist look and feel. The band is made with bio-based resin, a material expected to help reduce environmental impact. Case / bezel material: Resin Bio-based resin band Resin Glass Water Resistant Regular timekeeping: Analog: 3 hands (hour, minute, second) Accuracy: Ǐ20 seconds per month Approx. battery life: 3 years on SR626SW Size of case : 38.8 ? 34.9 ? 7.8 mm Total weight : 20 g