Seiko Prospex Automatic Diver PADI Special Edition Stainless Steel With Super-Hard Coating Blue Dial Automatic With Manual Winding 45mm SPB375Prospex PADI Special EditionSpecial edition celebrating the partnership between Seiko Prospex and PADI, the world’s leading scuba diver training organizationPatterned and gradated blue dial reflecting the surface of the ocean as seen from under water as the sunlight reaches through the waves on the surfaceAutomatic with manual winding capabilityBlue ceramic uni-directional rotating elapsed timing bezel with vivid blue accentsDate calendarLumiBrite hands and markersScrewdown crown and casebackTri-fold push button release clasp with secure lock and extenderCASE: Stainless steel case with super-hard coatingCRYSTAL MATERIAL: Sapphire crystal with anti-reflective coating on the inner surfaceWATER RESISTANCE: 200 meters (660 feet), follows ISO standards and is suitable for scuba divingDIAL COLOR: BlueSTRAP: Stainless steel bracelet with super-hard coatingTHICKNESS: 13.4mmDIAMETER: 45.0mmLENGTH: 52.6mmCaliber 6R3521,600 vibrations per hour24 jewelsPower reserve: approximately 70 hours