The ZIIIRO Saturn is the future of timekeeping with its unique digital display that rides through time by propelling its hours and minutes through black segments. The outer ring represents the hours, broken into twelve segments, while the inner ring represents the minutes, broken in sixty. This futuristic yet classy timepiece comes in a matte steel case and rests on ZIIRO's 24mm stainless steel mesh strap. [Details] Case Width: 45mm Case Thickness: 10.50mm Tapered Mesh Strap: 23mm to 21mm 316L Stainless Steel MIYOTA 1L-26 Quartz Movement Hardened Mineral CrystalL Battery: CR2016 Water Resistant: 3ATM Recommended Wrist Size: 13.50cm to 20.00cm Z0008WS