Seiko Prospex SRPF77

Prospex Save the Ocean Special Edition

"Manta Ray" themed gradient blue dial with stamped wave pattern

Automatic Diver

Manual and automatic winding capabilities

21,600 vibrations per hour

Power reserve: approximately 41 hours

24 jewels

Black ceramic uni-directional rotating elapsed timing bezel

Magnified day/date calendar

LumiBrite hands and markers

Sapphire crystal with anti-reflective coating on the inner surface

Screwdown crown and Special Edition caseback

Case diameter: 45.0mm

Stainless steel case

Deep blue silicone strap

Water Resistance: Diver's Watch 200 meters (660 feet). Follows ISO standards and is suitable for scuba diving.

Caliber 4R36