The Seiko King Seiko SJE109J1 is a mechanical watch featuring the Caliber 6L35 automatic movement with manual winding capability. It offers a power reserve of approximately 45 hours and operates with an accuracy of +15 to -10 seconds per day. The watch includes a date display and a stop second hand function. The stainless steel case measures 39.4mm in diameter and 9.9mm in thickness, complemented by a box-shaped sapphire crystal with anti-reflective coating on the inner surface. The stainless steel bracelet is secured with a deployment clasp with push button release. Water resistance is rated at 5 bar, and the watch provides magnetic resistance up to 4,800 A/m. The total weight is 126 grams. Reference number: SJE109J1.