Blending Options>Stroke

 



Next try to represent a circle, colored with #565656. It’s necessary to use for the beginning the Ellipse Tool (U) to represent the outside edges and then press Alt button to cut out the inside element’s part, applying the same tool.



The layer’s parameters: Blending mode-Lighten
Blending Options>Inner Glow



Blending Options>Bevel and Emboss

 



Using the already known Ellipse Tool (U), try to create the next layer, belonging to the same element:



The layer’s parameters: Blending Options>Gradient Overlay



Gradient’s parameters:



Blending Options>Stroke