Seiko Prospex Save the Ocean "Okinawa" Limited Edition SPB545

Features:
Hours, minutes & seconds
Date window 
Uni-directional rotating bezel
Screw down crown
Contemporary reinterpretation of Seiko’s 62MAS Diver’s Watch

Specifications:
Movement: Seiko Automatic Caliber 6R55 
Power Reserve: 72 hours
Frequency: 21,600 VpH
Jewels: 24 jewels
Water Resistance: 30 bar / 300 meters / 1000 ft

Case:
Material: Stainless steel case with Seiko super hard coating
Diameter: 40.5 mm x 13.0 mm (Lug to Lug 46.4mm)
Crystal: Sapphire Crystal with anti-reflective coating on inner surface
Caseback: Closed caseback

Dial:
Design: Okinawa light blue dial
Hands: Hands with Lumibrite
Markers: Hour markers with Lumibrite

Bracelet:
Stainless steel bracelet with on the fly micro adjust

Warranty:
Seiko International 3-Year Manufacturer Warranty