A classic of Seiko Kinetic men's wristwatches, charges by wrist movement, the kinetic energy is transferred to electronic energy which is then stored in a capacitor, at full capacity the wristwatch can work for 72 hours. Watch has a power–reserve indicator button (button above the crown). Specifications: Brand: Seiko Country: Japan Reference: 5M42-6B70 Watch: Kinetic Material wristwatch case and wristwatch strap: steel/gold plated. Glass: mineral Functions: day date and power–reserve indicator. Dial: Arabic, White. Pointers: Fluorescent Diameter case: 42 mm including the crown. Wrist circumference: 20.5 cm, adjustable Condition: Movement: good working condition Watch strap: Clean condition Watch case: Neat condition Glass: contains scratches/signs of wear. Please see the photos for a complete impression of its condition. Shipping: registered and insured shipping with track and trace code.