Casio Edifice EFS-S640ZE-1AJR 50TH Anniversary Japan Import
Product Overview
The Casio Edifice EFS-S640ZE-1AJR is a limited-edition men’s watch launched in 2024 to honor Casio’s 50th anniversary. As a Japan-imported timepiece, it reflects the brand’s longstanding commitment to precision engineering and functional design. This model is crafted for professionals, active individuals, and collectors who value a blend of sporty performance and refined aesthetics. The watch features a black ion-plated (IP) bezel that resists scratches and maintains its finish over time, paired with a comfortable synthetic leather band that adjusts from 175 to 215 mm—ideal for a wide range of wrist sizes. Its design strikes a balance between bold presence and everyday wearability, making it suitable for both business environments and casual outings. With advanced timekeeping functions and durable construction, the EFS-S640ZE-1AJR delivers dependable performance across various daily activities.
Key Features
- Sapphire Glass with Anti-Reflective Coating: The watch face is protected by high-quality sapphire glass, known for its exceptional scratch resistance. An internal anti-reflective coating enhances readability by minimizing glare under bright lighting, ensuring the dial remains clearly visible whether indoors or outdoors.
- 10 ATM Water Resistance: Rated for water resistance up to 100 meters, this watch can withstand splashes, rain, showering, and swimming. It is suitable for recreational water activities but not intended for deep-sea diving or high-impact aquatic sports.
- Precision Stopwatch Function: Equipped with a stopwatch that includes 1-second and 30-minute counters, along with a split-time feature, this watch supports accurate timing for workouts, training sessions, or professional tasks requiring precise measurement.
- Battery Management System: The integrated battery charge warning and indicator display allow users to monitor power levels in real time. This helps prevent unexpected shutdowns and ensures timely recharging. A full charge provides approximately 5 months of operation.
- Calendar and Date Display: The watch includes a built-in calendar function and a clear date display, helping users stay organized without relying on external devices.
- Black IP Bezel and Synthetic Leather Band: The bezel is treated with a durable black ion-plated finish that resists wear and fading. The synthetic leather band offers a polished look with long-term comfort, designed for all-day wear.
Technical Specifications
- Model Number: EFS-S640ZE-1AJR
- Case Size: 50.1 × 44.5 × 13.8 mm
- Band Width: 25.0 mm
- Band Length: 175–215 mm (adjustable)
- Weight: 61 grams
- Glass Material: Sapphire glass with anti-reflective coating on the inside
- Water Resistance: 10 ATM (suitable for swimming and water sports)
- Power Source: 1 Lithium Metal battery (included)
- Operating Time: Approximately 5 months from full charge until hands stop
- Accuracy: ±20 seconds per month
- Functions: Stopwatch (1-second, 30-minute counters with split), date display, calendar, battery charge warning, battery indicator
- Surface Treatment: Black IP (bezel)
- Band Material: Synthetic leather
- Department: Men’s
- Manufacturer: Casio
- First Available Date: October 31, 2024
- ASIN: B0DJCQVZ1F
- Package Dimensions: 6.73 x 6.54 x 5.43 inches; 2.15 ounces
Benefits & Use Cases
The Casio Edifice EFS-S640ZE-1AJR is designed for individuals who demand reliability and style from their accessories. Its 10 ATM water resistance makes it a practical choice for swimmers, outdoor enthusiasts, and those with active routines. The stopwatch with split-time functionality is especially useful for athletes, coaches, or anyone tracking timed intervals during training or events. The long 5-month battery life, supported by a charge warning system, reduces the need for frequent maintenance—ideal for frequent travelers or busy professionals. The synthetic leather band ensures comfort during extended wear, while the black IP bezel adds a modern, professional edge that transitions smoothly from office meetings to weekend adventures. As a 50th anniversary edition, this watch also appeals to collectors seeking a meaningful representation of Casio’s legacy in analog watchmaking.
Important Notes
This is a Japan-imported model released in 2024 and may not include documentation in English or manufacturer warranty coverage outside Japan. The watch comes with one included lithium metal battery. While it is water-resistant to 10 ATM, it is not suitable for deep-sea diving or high-velocity water sports. Users should avoid prolonged exposure to saltwater, extreme temperatures, or harsh chemicals. The synthetic leather band should be cleaned periodically to preserve its appearance and longevity. The compact package dimensions and lightweight design ensure easy shipping and handling.
