Movement Japanese Miyota Quartz Movement (Battery Type). Case & Bracelet Highest quality stainless steel. Distinct Engravings on each respective places. Hardlex crystal glass. Size & Weight Weight: 140g. Case diameter: 44mm (Stem excluded). Thickness: 10mm. Lug width: 23mm. Functions *Chronograph 6 o'clock sub-dial : 60 seconds Chronograph register. 10 o'clock sub-Dial : 30 minutes Chronograph register. 2 o'clock sub-Dial : 24 Hours display. 2 o'clock sub-button : Starts & Stops Chronograph. 4 o'clock sub-button : Resets Chronograph.