Seiko combine cutting-edge innovation with 130 years of watch making experience and are dedicated to striving for perfection in their timepieces. This watch features automatic with manual winding capacity, duration Approx. 41 hours automatic with manual winding capacity, 24 jewels, stop second hand function. Ref: SSA405J11 Product Information Brand: Seiko Movement Type: Mechanical Movement Calibre: 4R38 -35/+45 seconds per day Band Type: Leather Strap Dial: Blue Water Resistance: 50m Case Dimension: 40.8mm (W) x 11.8mm (D) Glass Type: Hardlex