Seiko Prospex SRPB53K1 Automatic

Caliber 4R35
Automatic and hand winding movement
Vibration per hour: 21,600
Power reserve: Approximately 41 hours
Accuracy: +45 to -35 seconds per day
Diver's 200m
Stainless steel case and silicon bracelet
Day Display
One way rotating bezel
Screw down crown
Hardlex crystal glass
23 Jewels

12 Months international warranty