The Seiko 5 Sports SRPK91K1 is a sophisticated and rugged watch designed for sports and outdoor activities. Here are the detailed specifications and features: Movement: Caliber: 4R36 Type: Automatic with manual winding Power Reserve: Approximately 41 hours Case: Material: Stainless Steel Diameter: 37.4mm Thickness: 12.5mm Case Back: See-through and screw case back Crown: Pull-out rotating bezel at 4 o'clock Dial: Color: Ivory with orange accents Markers: Applied indices Hands: Lumibrite-coated hands Features: Date display, Analog display, Stop second hand function, Day/Date display, Tachymeter bezel Crystal: Material: Curved Hardlex with anti-reflective coating Water Resistance: Rating: 100 meters (10 bar) Compliance: Suitable for everyday use and light water activities Strap: Material: Stainless Steel Bracelet Clasp: Three-fold clasp with push button release Additional Features: Eco-Friendly: Solar-powered, reducing the need for battery replacements and contributing to environmental sustainability Luminous Hands and Markers: For better visibility in low-light conditions Magnetic Resistance: 4,800 A/m Weight: 125.0g The Seiko 5 Sports SRPK91K1 combines durability with functionality, making it a great choice for sports enthusiasts and outdoor adventurers