Key features of the watch include:

• Model Name: Prospex Land U.S. Special Edition, reflecting its focus on outdoor and rugged activities.
• Design Inspiration: The watch's design harkens back to the styles and earth-tone shades of the 1970s and the colors typical of camping gear.
• Bezel: It features a green and black rotating compass bezel, enhancing its utility for outdoor adventures.
• Caseback: The screw-down case back displays a listing of emergency codes, a thoughtful feature for adventurers.
• Movement: Equipped with a 23-jewel automatic movement that vibrates at 21,600 vibrations per hour. It has a power reserve of approximately 41 hours and offers manual winding capability.
• Dial: The green textured dial with red accents is both stylish and functional. The date calendar adds to its convenience, while LumiBrite hands and markers ensure visibility in low light conditions.
• Case: The case is made of stainless steel with a black hard coating, ensuring durability and resistance to wear and tear.
• Crown: The screw-down crown enhances the watch's water resistance and durability.
• Crystal: A scratch-resistant sapphire crystal covers the dial, offering clarity and protection.
• Water Resistance: With a rating of 20 bar (200 meters or 660 feet), this watch is suitable for professional marine activity and serious water sports.
• Strap: It comes with a durable green fabric/leather hybrid strap, ideal for outdoor activities, and includes an additional brown leather strap for versatility.
• Case Dimensions: The watch measures 42.4 mm in diameter, 11.74 mm in thickness, and 45.17 mm in length, striking a balance between robustness and wearability.

The Seiko SRPJ31 Prospex U.S. Special Edition is a testament to Seiko's commitment to technological excellence and innovative design. This watch is not just a timekeeping instrument but a reliable companion for every adventure, blending functionality, style, and the spirit of the great outdoors. Its versatile appearance and robust features make it equally suited for outdoor activities and daily wear.