Seiko 5 Sports Mechanical SRPK87K1 Made in Japan Dark Blue Dial Men’s Watch SRPK87

Brand: Seiko Series: 5 Sports Movement: Automatic Caliber Number : Seiko Cal. 4R36

Driving mode: mechanical automatic winding (with manual winding) Accuracy: +45 seconds to -35 seconds per day Maximum winding time is about 41 hours 24 Jewels Second hand stop function Includes calendar (date/week) function Case and strap material are stainless steel Case back: stainless steel and glass Housing size Thickness: 12.5mm Width: 37.4mm Length: 44.7 mm Glass mineral reinforced crystal Luminous (hands/index) One-click three-fold method Arm circumference (longest) 205.0mm Enhanced waterproofing for daily life (100m) Antimagnetic Weight 125.0g Transparent screw-down case back ===========================