Seiko Presage Open Heart SPB471

Features: 
Hours, minutes & seconds
Open Dial
24 Hour Subdial

Specifications:
Movement: Seiko Automatic Caliber 6R5J
Function: Hours, minutes, seconds, date
Power Reserve: 72 hours
Jewels: 24 jewels
Water Resistance: 10 bar / 100 meters / 330 ft

Case:
Material: Stainless steel
Diameter: 40.2mm x 13mm x 46mm 
Crystal: Dual-curved sapphire crystal
Caseback: See-through & Screw case back

Dial: Black dial

Bracelet:
Stainless steel

Warranty:
Seiko International 3-Year Manufacturer Warranty