Model: Wittnauer Watches - Wittnauer Ceramic Diamond Watch 12R28 Case material: Ceramic and solid stainless steel case with screw down case back Case dimensions: 23mm (7/8") in diameter Movement: Swiss quartz movement Crystal type: Scratch resistant sapphire crystal Crown: Push and pull crown Water resistant: 30 meters (100 feet) Dial color: Black enamel dial with 12 diamonds Band type: Ceramic and solid stainless steel bracelet with 32 diamonds and deployment clasp Warranty: 5 year limited warranty on all Wittnauer watches Items included: Owner's manual; Wittnauer watch warranty material