The Retro Icon with a Modern Blue Twist

The Casio A158WEA-2DF is a stunning evolution of the original 1980s digital classic. While the A158 series is famous for its slim, minimalist profile, the WEA-2 variant introduces a vibrant Blue Gradient Dial that sets it apart from the crowd. The face features a beautiful transition of blue tones that catch the light, offering a fresh, contemporary look while maintaining the "Old School" charm that Casio is known for. It is the perfect accessory for those who want the reliability of a vintage Casio but want a pop of color to match their personal style.

Sophisticated Engineering & All-Day Comfort

• Ultra-Slim Profile: Measuring just 8.5mm in thickness, this watch is one of the most comfortable timepieces ever designed. It sits low on the wrist, making it an ideal choice for wearing with long sleeves, hoodies, or professional office attire without it feeling bulky.
• Self-Adjustable Stainless Steel Band: One of the most practical features of this model is the adjustable clasp. Unlike traditional metal watches that require a trip to the jeweler to remove links, the A158WEA-2 allows you to slide the clasp to your exact wrist size in seconds. It comfortably fits wrist sizes ranging from 150mm to 205mm.
• Feather-Light Feel: At only 45 grams, the watch provides a high-quality "metal" feel without the heavy weight of a traditional diver or chronograph. You can wear it from morning to night without any wrist fatigue.

Unmatched Reliability & Efficiency

• 7-Year Battery Life: In an era of smartwatches that require constant charging, this Casio offers ultimate peace of mind. Powered by a CR2016 battery, it is engineered to run accurately for approximately seven years.
• Water Resistant: Built for the "real world," this watch is water-resistant against daily splashes, accidental submersion while washing hands, and light rain.
• Quartz Precision: Accuracy is rated at 30 seconds per month, ensuring you stay perfectly on schedule.

Essential Digital Toolset

• The Illuminator: Equipped with a built-in Green LED light, you can clearly check the time in total darkness with the simple press of a button.
• Chronograph Features: Includes a 1/100-second stopwatch with a 60-minute capacity. It supports multiple measuring modes including elapsed time, split time, and 1st-2nd place times-perfect for gym sessions or quick daily tasks.
• Daily Organization: Features a loud daily alarm and an optional hourly time signal (chime) to help you keep track of your hours during a busy workday.
• Smart Calendar: The auto-calendar automatically displays the correct date and day of the week, while the 12/24-hour format toggle lets you switch between standard and military time instantly.

Technical Specifications (Full Breakdown)

• Case Size (L× W× H): 36.8 × 33.2 × 8.5 mm
• Weight: 45 g
• Case/Bezel Material: Resin / Chrome Plated
• Band: Stainless Steel Band with Adjustable Clasp
• Water Resistance: Water Resistant (Daily Use)
• Glass: Durable Resin Glass
• Power Supply: CR2025 (Approx. 7-year battery life)
• Stopwatch: 1/100-second (Measuring capacity: 59'59.99'')
• Alarm: Daily alarm + Hourly time signal
• Light: Green LED light (Side-lit)
• Calendar: Auto-calendar (set at 28 days for February)
• Time Format: 12/24-hour format
• Regular Timekeeping: Hour, minute, second, pm, date, day