Seiko Presage Open Heart SSA441J1 SSA441 Cocktail Grasshopper Automatic Stainless Original
Driving system Automatic with manual winding Caliber Number 4R38 Case material Stainless steel Case back Screw see-through case back Case color Silver tone Glass material Box-shaped hardlex crystal Band type Bracelet Band material Stainless steel Band color Silver tone Band width 22 mm Clasp Deployment Dial color Green and open heart at 9 o’clock position Dial markers Silver tone batons Second markers Silver tone minutes markers around the outer rim Hands color Silver tone (hour, minute) with gold tone second hand Bezel Fixed silver tone stainless steel Crown Pull out at 3 o’clock position Function Hour, minute, second, stop second hand Drive duration Power reserve 41 hours Accuracy +45 to -25 seconds per day at normal temperature range (5°C and 35°C) Magnetic resistance 4,800 A/m Water resistance 5 bar water resistance (50 meters / 165 feet) Size Length: 47.5 mm x Diameter: 40.5 mm x Thickness: 11.8 mm The perimeter of bracelet 225 mm Weight 135 g