The absolute classic, the F-91 reinvents itself. The strap is made of bio-based resin, which is designed to help reduce the environmental impact. With date/day display, alarm, stopwatch and other practical functions, these watches are always ready for action.

• Weight: 21 g
• 38.2 × 35.2 × 8.5 mm
• Water resistant
• Approximate battery life: 7 years with CR2016
• Accuracy: ±30 seconds per month
• 1/100 second stopwatch
• Automatic calendar (set to 28 days for February)