Movement Asian Movement. 28800 VPH, self-winding. Hack mechanism. Case & Bracelet Brush finished Case-back. Distinct Engravings on each respective places. Hardlex crystal glass. Size & Weight Weight: 107g. Case diameter: 46mm (Stem excluded). Thickness: 16mm. Lug width: 22mm. Functions 6 o'clock sub-dial : 24 Hour Display. 9 o'clock sub-dial : Day Display (Setting by sub-button at 4 o'clock). 12 o'clock sub-Dial : Month display (Setting by sub-button at 2 o'clock). Date Setting by Crown. Sub-button at 10 o'clock: Dummy