For the first time, the Seiko 5 Sports Field series introduces a new watch with a GMT function. The prominent, five-sided GMT hand is in red to enhance legibility against the black dial. The thick, curved glass and a multi-link bracelet endow this GMT with a sophisticated air that is perfect for travelers. Caliber Number: 4R34 Movement Type: Automatic with manual winding Power reserve: Approx. 41 hours Jewels: 24 Functions: 24-hour hand (dual time display function) Stop seconds hand function: Case/Band Case Material: Stainless steel Case Size Thickness: 13.6mm Diameter: 39.4mm Lug-to-lug: 47.9mm Crystal: Curved Hardlex LumiBrite: LumiBrite on hands and index(es) Distance between lugs: 20 Other Details: Water Resistance: 10 bar Magnetic Resistance: 4,800 A/m Weight: 147.0g Features: Three-fold clasp with secure lock See-through & Screw case back.