Two magnetic bearings run around the watch face in separate recessed tracks: a track around the center of the watch face for the minute

It instructs them when to surface

Case Thickness: 10

It relies on solar energy to change the gears

Seiko Men's Prospex Black Dial Silicone Band 45mm Stainless Steel Watch - SRPE93 Brand_SEIKO Two magnetic bearings run aroundSeiko Men's Prospex Black Dial Silicone Band 45mm Stainless Steel Watch SRPE93. The Seiko PROSPEX Collection, a cult favorite among watch enthusiast from all over the world combining durability with sporty style. The SRPE93 automatic dive watch has a 45mm brushed and polished stainless steel case with a matte black dial. The black rotating uni directional 120 click elapsed timing bezel is well suited for professional diving with a 200 meter water