Seiko Prospex Automatic Diver. This diver's watch is designed with an angular stainless steel case and bracelet featuring a black and orange one-way rotating bezel. The iconic orange dial displays a date calendar with LumiBrite hands and markers. The 23-jewel automatic movement has both manual and automatic winding capabilities and beats at a frequency of 21,600 vibrations per hour, with a power reserve of approximately 41 hours. Diver's, 200m Water Resistant