Seiko Prospex Automatic "Turtle" SRP775

Caliber: 4R36

Movement: Self Winding and Hand-winding capability

Case Material: Stainless Steel

Band: Stainless Steel

Bezel: Rotating Bezel

Glass: Hardlex Glass

Case Back: Screw Case Back

Crown: Screw-down Crown

Case Diameter: 45 mm

Water Resistance: 200m 

Power Reserve: Approximately 41 hours

Vibrations Per Hour: 21,600 

Jewels: 24 

Function: Day/Date Calendar