Aokulasic men’s automatic mechanical watch, bold tonneau (barrel-shaped) case, approx. 41mm x 39.8mm, with skeleton dial showcasing the open mechanical movement. Stainless steel case with decorative screw-accent bezel. Genuine leather strap in black with red contrast stitching and stainless steel buckle. Automatic self-winding movement, no battery needed. Exhibition case back. Luminous hands for low-light visibility. 30M water resistance (not suitable for swimming or diving).