The Seiko Seiko-5 Sports SRPJ09 is a stylish and functional watch inspired by vintage field and military designs. Its all-black color scheme is accentuated by different applied materials, textures, and finishes, giving it a street-style look that is perfect for casual wear.

The watch is powered by an automatic movement with manual winding capability, which beats at 21,600 vibrations per hour and has a power reserve of approximately 41 hours. The 24-jewel movement ensures accurate timekeeping and reliability.

The black dial features a 24-hour inner ring, as well as a day/date calendar function. The hands and markers are luminous, making it easy to read the time in low light conditions. The see-through caseback is screwdown, allowing you to see the movement in action.

The case diameter is 39.4mm and is made of stainless steel with a black ion finish. The bracelet is also made of stainless steel with a black ion finish and features a tri-fold push-button release clasp with a lock for added security. The watch is water-resistant to 10 bar or 100 meters (330 feet), making it suitable for swimming and other water-based activities.

Overall, the Seiko Seiko-5 Sports SRPJ09 is a stylish and functional watch that is perfect for casual wear. Its vintage-inspired design and all-black color scheme make it a versatile accessory that can be worn with a variety of outfits. The automatic movement ensures reliable timekeeping, while the luminous hands and markers make it easy to read the time in any lighting condition.