• Model / Reference: SPB471J1 (also known as SARJ009 in select markets)
• Collection: Seiko Presage Classic Series
• Dial: "Sumi-iro" (traditional Japanese ink black) with an open-heart aperture showing the balance wheel and a 24-hour sub-dial.
• Case Material: Stainless steel with a super-hard coating
• Case Size: 40.2 mm diameter, 13.0 mm thickness, and 46.0 mm lug-to-lug
• Movement: Automatic (Caliber 6R5J) with a 3-day (approx. 72-hour) power reserve
• Water Resistance: 100 meters (10 bar)
• Crystal: Dual-curved sapphire crystal