Invicta Men's 16231 Russian Diver Analog Display Mechanical Hand Wind Grey Watch Precise 17 jewels mechanical Swiss movement; 60 second sub dial Silver dial with blue ion-plated stainless steel removable cage-like accent on the front with metallic blue and white hands and hour markers; luminous; blue ion-plated crown at 9:00 with screw-down protective cap; hinged case back that can be opened to reveal a see-thru case back; flame fusion crystal; stainless steel case; grey and black leather strap Mechanical-hand-wind movement Case diameter: 53mm Water resistant to 3280 feet