Product Overview
The Orient Men’s Japanese Automatic/Hand Winding 200 M Diver Style Watch RA-AC0K is a precision timepiece designed for men who value reliability, craftsmanship, and classic dive watch aesthetics. Built by Seiko Epson under the trusted Orient brand, this watch combines traditional Japanese watchmaking with practical functionality for everyday wear and aquatic adventures. Ideal for enthusiasts of mechanical watches, it features both automatic and manual winding capabilities, ensuring consistent performance whether worn daily or stored between uses. With a water resistance rating of 200 meters, it’s suitable for swimming, snorkeling, and recreational diving. This model reflects Orient’s long-standing commitment to quality, dating back to 1950, offering a blend of heritage and dependable engineering.
Key Features
- Japanese Automatic Movement with Hand Winding: The watch is powered by a self-winding Japanese automatic movement that harnesses energy from wrist motion, supplemented by manual winding for added reliability. This dual capability ensures accurate timekeeping even when the watch hasn’t been worn for a period. The movement is engineered for smooth operation and long-term durability, requiring minimal intervention from the wearer while maintaining precision.
- 200 Meter Water Resistance: Engineered for aquatic use, this diver-style watch is rated for depths up to 200 meters (660 feet), making it appropriate for swimming, snorkeling, and surface diving. The robust construction protects internal components from water ingress under pressure. This level of protection meets the standards expected of a true dive watch, providing peace of mind during water-based activities.
- Diver-Inspired Design: Featuring a classic dive watch aesthetic, the RA-AC0K includes a unidirectional rotating bezel, luminous markers, and a clear, legible dial—hallmarks of professional dive timepieces. These elements enhance usability in low-light underwater environments. The bezel allows for tracking elapsed time, an essential feature for divers monitoring their immersion duration.
- Durable Build Quality: Crafted with attention to durability, the watch is designed to withstand daily wear and exposure to moisture, aligning with Orient’s reputation for creating resilient, long-lasting timepieces. The materials and construction methods reflect a focus on longevity and resistance to environmental stressors.
- Manual Winding Option: In addition to automatic winding, the crown allows for manual powering of the movement, giving users control over maintaining optimal spring tension and ensuring consistent accuracy. This feature is especially useful for users who may not wear the watch daily or who prefer to ensure full power reserve before use.
Technical Specifications
- Model Number: RA-AC0K02E10B
- Department: Men’s
- Movement Type: Japanese Automatic with Hand Winding
- Water Resistance: 200 meters (660 feet)
- Package Dimensions: 4.57 x 3.62 x 2.83 inches
- Item Weight: 6 ounces
- Manufacturer: Seiko Epson
- ASIN: B08N2ZYQGQ
- Date First Available: November 9, 2020
Benefits & Use Cases
This watch is well-suited for individuals who appreciate mechanical horology and need a dependable, stylish companion for both casual and active settings. Its 200-meter water resistance makes it a practical choice for swimmers, snorkelers, and recreational divers, while the automatic movement appeals to those who prefer self-sustaining timepieces without battery dependency. The manual winding feature adds versatility, particularly useful when the watch is not worn regularly. The diver-style design offers a timeless look that transitions easily from outdoor adventures to everyday wear. With its Japanese engineering heritage, the RA-AC0K delivers consistent performance and durability, reflecting decades of watchmaking expertise.
Important Notes
Please refer to the manufacturer’s website for detailed warranty information specific to this product. While the watch is designed for water exposure up to 200 meters, it is recommended to avoid pressing buttons or operating the crown while submerged to maintain water resistance integrity. Regular maintenance and pressure testing are advised for frequent divers to ensure long-term reliability. The package includes the watch only; additional accessories or straps are not specified. This model is part of Orient’s broader legacy of quality timepieces, established since 1950, and is manufactured by Seiko Epson, a leader in precision timekeeping components.

From the manufacturer


About Us
Dedicated to creating the best watches for our customers since 1950, both ORIENT and ORIENT STAR provide exquisite style and meticulous timekeeping, no matter which line you choose from.