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Prospex Automatic Diver. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and winning design. Inspired by Seiko's most iconic diving styles, this distinctive watch includes such upgrades as a black ceramic one-way rotating elapsed timing bezel, magnified date window and sapphire crystal with anti-reflective coating on the inner surface. The black dial, with LumiBrite hands and markers, has a 3-D pattern reflecting the shape of the black and gray bezel edge. For reliable underwater timekeeping, the 23-jewel automatic movement beats at a frequency of 21,600 vibrations per hour, with a power reserve of approximately 41 hours, and can be wound manually or automatically. This high-intensity timepiece, in stainless steel, with secure screwdown crown and caseback, follows ISO standards for scuba diving. 200m Water Resistant


From the Prospex CollectionAutomatic DiverManual and automatic winding capabilitiesBlack ceramic one-way rotating elapsed timing bezel
Black dial with 3-D pressed pattern reflecting the bezel edge shapeMagnified date calendarLumiBrite hands and markersScrewdown crown and caseback


Thickness:: 12.81mm
Diameter: 44.0mm
Length: 48.7mm
CASE: Stainless steel caseCRYSTAL MATERIAL: Sapphire crystal with anti-reflective coating on the inner surfaceDIAL COLOR: BlackSTRAP: Stainless steel bracelet
MOVEMENT: Caliber 4R35
21,600 vibrations per hour
Power reserve: approximately 41 hours
23 jewels
WATER RESISTANCE: 200 meters (660 feet), follows ISO standards and is suitable for scuba diving


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