Seiko 5 Sports
Manual and automatic winding capabilities
21,600 vibrations per hour
Power reserve: approximately 41 hours
24 jewels
Blue sunray dial
Blue unidirectional rotating bezel
Day/date calendar
LumiBrite hands and markers
Case diameter: 42.5mm
Stainless steel case and bracelet
Water-resistant to 10 bar, 100 meters (300 feet)
Caliber 4R36