CASIO F-91WM-1B - D411

Casio F-91WM-1B (D411) – Classic Minimal Black Digital Watch

The Casio F-91WM-1B D411 is a clean, minimalist take on the iconic F-91 series. Featuring a sleek all-black design with subtle matte tones, this ultra-lightweight 21g digital watch is perfect for everyday wear, students, gym sessions, and casual outfits.

Built for reliability, the F-91WM-1B offers a long-lasting 7-year battery and essential daily functions including LED backlight, 1/100-second stopwatch, daily alarm, and hourly time signal. Its slim resin case and comfortable strap make it an easy, no-nonsense daily companion.

✔ Key Features

• Minimal all-black digital watch design
• Ultra-lightweight build – only 21g
• LED backlight for night visibility
• 1/100-second stopwatch
• Daily alarm & hourly time signal
• Long-lasting 7-year battery life
• Water resistant for daily use
• Comfortable resin band
• 2-Year Casio Warranty + 6-Month Extended Warranty

✔ Specifications

• Model: Casio F-91WM-1B
• Indian Product Code: D411
• Case & Bezel Material: Resin
• Band: Resin Band
• Glass: Resin Glass
• Water Resistance: Water Resistant
• Weight: 21 g
• Display: Digital
• Backlight: LED
• Stopwatch: 1/100-second stopwatch
• Alarm: Daily alarm
• Accuracy: ±30 seconds per month
• Battery Life: Approx. 7 years

✔ What’s Included

• 1 × Casio F-91WM-1B Digital Watch
• Official Casio Warranty Card
• User Manual

✔ Tags

Casio F-91WM-1B, D411, Casio F91 Black, Casio Vintage Digital Watch, Minimal Black Watch India, Lightweight Digital Watch, Student Watch, Daily Wear Watch, Retro Casio F91