Obaku Oktant Onyx Black 38mm Watch - V253GXCBMCOKTANT ONYX breaks the watch status quo with its unconventional 8 corner dial. Contrastive light grey and deep blacks create ONYXs unforgettable color combination. It features the best we can offer. Ultra slim design, just 4. 8mm thin. Ultra durable construction using sapphire glass and high grade stainless steel. Precision Japanese quartz movement to keep you on time. All packaged in a desirable and timeless watch. Case Steel Size 38mm Glass Sapphire