Movement:  Japanese Quartz Movement
Functions: Hours, Minutes, Seconds
Dimensions  : Width 23.5mm x Height 23.5mm Thk 8mm 
Material : 1 piece forged case construction, solid 316 stainless steel, 18K RG Plating ... 5 mils  
Back :  Solid Case Back With Serials Engraving
Crown : One-piece solid pullout crown with o ring
Crystal:  Sapphire crystal
Water-resistant