The Seiko Presage SARY223 is a shop-exclusive model from the "Style60's" collection, which reinterprets 1960s vintage style for the modern era. This automatic (with manual winding) watch features a 40.8mm case, a deep navy dial, and a box-shaped crystal, characterized by its practical and classic design. Product Specifications: SEIKO Mechanical (Caliber 4R35) 1. Movement Powered by the reliable in-house automatic movement, Caliber 4R35. Movement Type: Automatic with manual winding capacity Power Reserve: Approx. 41 hours Accuracy: +45 to -35 seconds per day (between 5°C and 35°C) Jewels: 23 jewels Vibrations: 21,600 vibrations per hour (6 beats per second) 2. Exterior & Size Features a sharp case design and box-shaped glass for a classic vintage aesthetic. Case Material: Stainless steel (See-through screw case back) Glass Material: Box-shaped Hardlex (Domed shape) Dimensions: Lug-to-lug: 47.0 mm Case Diameter: 40.8 mm Thickness: 12.0 mm Weight: Approx. 135.0 g Lug Width: 20 mm 3. Features & Performance Water Resistance: 5 bar (Daily life reinforced water resistance) Magnetic Resistance: Yes (JIS Class 1) Calendar: Date display Additional Features: See-through Case Back: Allows viewing of the mechanical movement. Hacking Function: Second-hand stop function for precise time setting.