Brand: Oniss Model #: ON3885-2TBK Gender: Men's Collection: RX Dial Color: Black Mother of Pearl- Prong set 12pcs (Grade A ) Austrian Crystals Watch Movement: 24 Jewel Automatic with Quick-set Date Band Material: Rose Gold Layered on 316L Stainless Steel-Fits 8 1/2 wrist Band Width: 22mm Clasp Type: Butterfly Manufacturer's Movement Caliber: Seiko NH35A Watch Case: Two Tone Rose Gold Layered on 316L Stainless Steel with Screw down crown and Glassback Water resistant: 50m-165ft Crystal: Harden Mineral with Magnifier Bezel: Fluted Case Diameter: 42mm Case Thickness: 9mm