R21893712 Rado Ceramica Mens Watch - Black Dial With Diamonds - 119 Diamonds Set On Dial (.095ct) - Chronograph - Manufacturer Box - Yellow Gold Tone Ceramic Case And Bracelet - Scratch Resistant Sapphire Crystal - 30 Meters / 100 Feet Water Resistant- 36mm X 35mm = 1 1/3” X 1 1/3 Case , 7 Adjustable Bracelet - Pressure Fitted Case Back Also Known As R2.189.37.12 / R21.893.712 / 21893712