Details Collection: Oyster Perpetual Model Name: Datejust 1601 Movement: Automatic Case Case Material: Stainless Steel Case Diameter: 36mm Crystal: Sapphire Bezel: Custom Bezel Style: Diamond VS-SI Clarity G-H Color Diamonds. Approx 1.80CTW Dial Dial: Custom/Aftermarket Dial Color: Blue Vignette Numerical Style:Diamonds Band Attachment Type: Custom/Aftermarket Stainless steel Oyster Band. All of our watches have been serviced by our in-house certified watch maker, and each watch passes rigorous exams including water pressure test and time-keeping accuracy. This watch currently meets expected time-keeping standards.