SEIKO SSK031K1

• Calibre no.4R34
• Movement TypeAutomatic with manual winding
• Accuracy+45 to -35 seconds per day (at normal temperature range)
• Power Reserve/Battery LifeApprox. 41 hours

Case

• Case MaterialStainless steel
• Glass MaterialHardlex crystal
• LumiBriteLumiBrite on hands, index(es) and bezel

Layout

• Water Resistance10 bar
• Case SizeDiameter: 42.5mm
  Thickness: 13.5mm
• Other SpecificationsTime display (Hour, minute and seconds)
  24-hour display, date display
  Three-fold clasp with secure lock, push button release with extender

Features

• Other FeaturesJewels: 24
  Serial number engraved on the case back
  Rotating bezel (24-hour display)
  See-through & Screw case back