Casio AQ-S820W-1AV

Take flight with the Casio AQ-S820W-1AV, a high-performance analog-digital timepiece inspired by the precision of aircraft instrument panels. This watch is engineered for those who need a reliable, "set-and-forget" companion, combining the technical look of a cockpit gauge with the limitless energy of Tough Solar power.

With its massive 50mm presence and high-contrast white-on-black display, the AQ-S820W-1AV ensures maximum legibility at a glance. Whether you are navigating global time zones or tracking interval training, this watch remains "always at the ready" without ever needing a battery change.

Key Features

• Stable Solar Power: Powered by any light source—even indoor fluorescent lighting. It includes a Power Saving mode that blanks the digital display in the dark to extend battery life up to 23 months on a full charge.
• Aviation-Inspired Design: The round, flat bezel and bold white hands/indexes mimic a flight deck altimeter, providing "easy-to-read visibility" in all conditions.
• Interval Training Timers: Unique dual countdown timers allow you to switch between two different paces—ideal for HIIT workouts, sprinting, or specialized coaching.
• 100-Meter Water Resistance: Rated for 10-bar resistance, making it "practical and rugged" enough for swimming, snorkeling, and aquatic adventures.
• Global Travel Ready: Features 31 time zones (48 cities) with a 6-language day-of-the-week indicator, making it "great for overseas travel."
• Battery Power Indicator: Includes a digital gauge on the LCD so you can check your charge level at any time, ensuring you’re never caught without power.
• Lightweight Comfort: Despite its substantial 52.5 mm case size, the full resin construction keeps the weight at a mere 46 g, offering a "barely-there" feel for all-day wear.

Specifications at a Glance

• Case Size: 52.5 × 50.1 × 12.7 mm
• Weight: 46 g
• Power Source: Tough Solar (Rechargeable)
• Water Resistance: 10 bar (100 meters)
• Glass: Durable Resin Glass
• Digital Features: 1/100-second stopwatch, 5 daily alarms, and an Amber LED light with afterglow.
• World Time: 31 time zones (48 cities) + UTC.