About

The iconic slim and lightweight F-91 features a clean, minimalist digital display and a bio-based resin band designed with environmental impact in mind. Packed with practical functions including a date/day display, alarm and stopwatch, it’s a reliable everyday watch that’s always ready to go.

Product Features

• 1/100-second stopwatch
• Elapsed time, split time and 1st–2nd place timing
• Daily alarm
• Hourly time signal
• Green LED light
• Auto-calendar
• 12/24-hour format
• Regular timekeeping with hour, minute, second, PM, date and day

Product Specifications

• Case Size: 38.2 × 35.2 × 8.5 mm
• Weight: 21 g
• Case & Bezel Material: Resin
• Band Material: Bio-based resin
• Water Resistance: Water resistant
• Battery: CR2016
• Battery Life: Approx. 7 years
• Glass: Resin glass
• Compatible Band Size: 145–200 mm
• Stopwatch Measuring Capacity: 59'59.99"
• Light Colour: Green
• Calendar: Auto-calendar (28 days for February)
• Accuracy: ±30 seconds per month