SEIKO PRESAGE Cocktail Open Heart - Blue Moon SSA405J1 (SARY155)
Caliber 4R38
    Automatic with manual winding capacity
    Vibrations: 21,600 vibrations per hour (6 beats per second)
    Power reserve: 41 hours
    Number of jewels: 24
Specifications
    Stainless steel case
    Box-shaped Hardlex crystal
    Screw see-through case back
    Diameter: 40.5mm, Thickness: 11.8mm
    Water resistance: 5 bar
    Magnetic resistance: 4,800 A/m
Band: Calfskin strap with deployment clasp with push button release
Dial: Blue
One year International warranty