Product Overview
The BERNY Men’s Japanese Automatic Mechanical Watch is a precision-engineered timepiece built for men who appreciate mechanical craftsmanship, dependable performance, and timeless style. At its core is a Japanese automatic movement that operates without a battery—instead, it harnesses the natural motion of your wrist to keep accurate time. This self-winding mechanism not only eliminates the need for battery replacements but also reflects the enduring reliability of traditional watchmaking. Designed for daily wear, the watch features a robust construction with sapphire crystal glass, offering exceptional resistance to scratches and maintaining a clear, pristine dial even after prolonged use. With a 10ATM water resistance rating, it stands up to swimming, snorkeling, and everyday exposure to water, making it a practical choice for active lifestyles. The inclusion of a luminous display ensures visibility in low-light conditions, while the date window at 3 o’clock adds everyday functionality. Whether you’re heading to a business meeting, enjoying outdoor adventures, or simply going about your day, this watch delivers consistent performance and refined aesthetics.
Key Features
- Japanese Automatic Movement: Powered by kinetic energy from wrist movement, this self-winding mechanism ensures continuous operation without batteries. The precision-engineered movement is designed for long-term accuracy and reliability, reflecting the high standards of Japanese watchmaking.
- 10ATM Waterproof Rating: Rated for depths up to 100 meters, this watch is suitable for swimming, showering, and snorkeling. It provides confidence in wet environments, though it is not intended for deep-sea diving or high-pressure water sports.
- Sapphire Crystal Glass: Known for its hardness and clarity, the sapphire glass face resists scratches and abrasions far better than standard mineral or acrylic glass. This ensures the dial remains unblemished and legible over years of use.
- Super Luminous Display: The hour markers and hands are coated with a photoluminescent material that absorbs light and emits a bright glow in dark or dimly lit settings. This feature enhances readability during nighttime activities or in low-visibility conditions.
- Date Function: A practical date window is positioned at the 3 o’clock mark, offering quick reference to the current date without disrupting the watch’s balanced and clean dial layout.
- Self-Winding Convenience: The automatic movement winds itself with regular wear, eliminating the need for manual winding or battery changes. For extended periods of non-use, a brief manual winding may help maintain optimal performance.
Technical Specifications
- Movement: Japanese Automatic Mechanical (Self-Winding)
- Water Resistance: 10ATM (100 meters)
- Glass Material: Sapphire Crystal, Scratch Resistant
- Features: Super Luminous Hands and Markers, Date Display
- Power Source: Kinetic energy from wrist motion—no battery required
- Package Dimensions: 4.02 x 3.98 x 2.87 inches
- Item Weight: 8.47 ounces
- Department: Men’s
- Model Number: watches
- ASIN: B09T6TBTKZ
- Manufacturer: BERNY
- Date First Available: February 23, 2022
Benefits & Use Cases
This watch is engineered for real-world durability and everyday usability. The 10ATM water resistance rating means it can handle immersion in water during swimming, handwashing, or light water sports, making it ideal for active individuals. The sapphire crystal face ensures long-term clarity, resisting the scratches and scuffs that commonly affect lesser materials. Whether you’re navigating a dimly lit room or checking the time during an evening walk, the super luminous display provides immediate visibility. The automatic movement appeals to those who value mechanical precision and prefer a timepiece that operates independently of batteries. Its classic design transitions seamlessly from casual outings to more formal settings, offering versatility across different occasions. For professionals, travelers, or outdoor enthusiasts, this watch combines function, resilience, and understated elegance in one reliable package.
Important Notes
Although the watch is water-resistant to 100 meters, it is not suitable for scuba diving or high-impact water activities. To preserve the integrity of the seals, avoid pressing buttons while submerged. Regular wear helps maintain the automatic movement’s charge; if the watch is left unworn for several days, it may require manual winding to resume accurate timekeeping. For specific warranty details, please refer to the manufacturer’s official policy. The product includes the watch only—additional accessories, straps, or packaging materials are not included unless otherwise specified by the seller.









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Original price was: $ 159.99.$ 139.99Current price is: $ 139.99.