Seiko 5 Sports

Caliber: 4R36

Movement: Automatic with manual winding capability

Power Reserve: approximately 41 hours

jewels: 24 

Bezel: Black uni-directional rotating bezel

Dial: Black

Hands: Luminous hands and markers

Case Back: Screwdown see-through caseback

Case Diameter: 38.0mm

Case Material: Stainless steel case and bracelet

Clasp: Tri-fold push button release clasp with secure lock

Water Resistant: Up to 10 bar, 100 meters (330 feet)

Functions: Day/date calendar, 21,600 vibrations per hour