Seiko Mod. Spb121j1 Official Box Product Description: The Seiko Prospex SPB121J1, affectionately known as the "Alpinist," is a distinguished timepiece that merges classic mountaineering aesthetics with modern watchmaking precision. Designed for both adventurers and urban enthusiasts, this watch embodies Seiko's commitment to quality and functionality. Key Features: Movement: Automatic with manual winding capability, powered by Seiko's Caliber 6R35, offering approximately 70 hours of power reserve.Case Material: Stainless steel case measuring 39.5mm in diameter and 13.2mm in thickness, providing a robust yet comfortable wrist presence.Dial: Captivating green sunburst dial complemented by gold-tone indices and cathedral-style hands, all coated with LumiBrite for enhanced legibility in low-light conditions.Crystal: Sapphire crystal with an anti-reflective coating on the inner surface, featuring a magnifier over the date display for improved readability.Compass Bezel: Inner rotating compass bezel operated via the crown at the 4 o'clock position, offering practical navigation functionality.Strap: Brown calfskin leather strap with a three-fold clasp and push-button release, ensuring both style and secure wear.Water Resistance: 20 bar (200 meters), suitable for various water activities, including swimming and snorkeling.Additional Features: Screw-down crown and see-through case back, providing a glimpse into the intricate movement.SpecificationValuePackagingOfficial Box