The TSAR BOMBA Elemental TB8208CF skeleton automatic watch, Combines Carbon fiber bezel and stainless steel case construction. Powered by Citizen MIYOTA automatic movement, The skeleton dial design offers a direct view of the movement, allowing you to appreciate the precision and beauty of the mechanical movement. The dial is coated with Grade A luminous material, and it features a scratch-resistant sapphire crystal and a comfortable silicone strap. Water resistant to 50 meters (5 ATM).