Eco Drive Watch EM0491-81D Strap Material_Steel Mesh The self-winding Powermatic 80 movement

The self-winding Powermatic 80 movement delivers reliability and precision thanks to the innovative Nivachron hairspring

it will automatically suggest changing to a different battery mode

The inset dial indicator

Case Size: 42MM

Eco Drive Watch EM0491-81D Strap Material_Steel Mesh The self-winding Powermatic 80 movementCaliber No. E031 Movement Eco Drive Strap Stainless Steel Water Resistant Daily Water Resistant Thickness 7. 7mm Case Size 23. 5mm Case Stainless Steel Glass Mineral Glass SpecificationEco Drive (recharged by any light source, no need to change battery) Insufficient Charge Warning Function Mother of Pearl Dial Overcharge Prevention Function