SRPJ81

Seiko 5 Sports Collection

Inspired by vintage field/aviator style

Automatic with manual winding capability

21,600 vibrations per hour

Power reserve: approximately 41 hours

24 jewels

Black dial

60-minute track on the outer dial

13-24 hour military time scale on inner dial

Red-tipped second hand

Day/date calendar

Luminous hands and markers

Screwdown see-through caseback

Case diameter: 36.0mm

Stainless steel case and bracelet

Tri fold push-button release clasp

Water-resistant to 10 bar, 100 meters (330 feet)

Caliber 4R36