Full Hollow Mens Automatic Mechanical Watch Male Automatic Mechanical Watch Steel BandProduct information Special functions Luminous, tourbillon, lunar phase, calendar, small three needle, lunar phase display, week display, month display Intended for male Dial diameter 48mm Thickness 15mm Crown type Spiral crown Types of surface and bottom To the bottom Specular Shading Plexiglass mirror Buckle style Single fold buckle Buckle material Titanium metal Band Material alloy Dial shape circular Case Material alloy Packing list: Mechanical