Casio EFK-100D-3ADR

Embrace the soul of high-performance engineering with the Casio Edifice EFK-100D-3ADR. This isn't just a timepiece; it’s a tribute to the world of GT racing, designed for sports car enthusiasts who appreciate the "synergy between timepiece engineering and high-performance cars."

The EFK-100D-3ADR stands out with its automatic mechanical movement, visible through a stunning see-through case back. With a dial that utilizes electroforming to replicate the textured look of forged carbon, this watch offers a "sporty yet refined" aesthetic that captures the essence of a humming engine inside a sophisticated 39mm stainless steel body.

Key Features

• Automatic Mechanical Movement: Features a 24-jewel movement that beats at 21,600 vibrations per hour. It supports both automatic and manual winding with a 40-hour power reserve.
• Forged Carbon Dial Aesthetic: The dial uses advanced electroforming to reproduce the unique, high-tech texture of forged carbon, accented by a deep forest green and raised indexes.
• Sapphire Crystal: Upgraded with scratch-resistant sapphire glass, providing superior clarity and protection for the "fine detailing" of the dial.
• See-Through Screw Lock Back: The exhibition case back allows you to watch the mechanical "heart" of the watch in motion, highlighting its technical complexity.
• 100-Meter Water Resistance: With a 10-bar rating, this watch is ready for "more exciting things," from daily wear to swimming and aquatic activities.
• Magnetic Resistant Construction: Specifically engineered to maintain accuracy even when exposed to everyday magnetic fields.
• Solid Stainless Steel Band: Equipped with a solid metal band and a one-touch 3-fold clasp for an "elegant shine" and maximum security on the wrist.
• Hacking Function: Includes a second-hand stop (hacking) feature, allowing for precise time synchronization down to the second.

Specifications at a Glance

• Case Size: 43.5 × 39 × 12.5 mm (Compact and sophisticated)
• Weight: 148 g (Substantial, premium feel)
• Movement: Automatic with manual winding (24 Jewels)
• Power Reserve: Approximately 40 hours
• Glass: Sapphire Crystal
• Accuracy: Mean daily rate of -35 to +45 seconds
• Water Resistance: 100 meters (10 bar)