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A favorite for decades — the slim, lightweight F-91 with digital LCD now with a minimalist face, fewer mode indicators, and more environmentally responsible materials. The band is made with bio-based resin, a material expected to help reduce environmental impact. Complete with date/day display, alarm, stopwatch and other handy functions, these watches are always at the ready. • 38.2 × 35.2 × 8.5 mm • 21 g • Resin • Bio-based resin band • Water Resistant • Approx. battery life: 7 years on CR2016 • Resin Glass • 145 to 200 mm • 1/100-second stopwatch Measuring capacity: 59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times • Daily alarm • Hourly time signal • LED light • LED:Green • Auto-calendar (set at 28 days for February) • Accuracy: ±30 seconds per month • 12/24-hour format • Regular timekeeping: Hour, minute, second, pm, date, day 1 year warranty for inner parts & 6 months for the battery