Tudor Black Bay 41 Ref. 79540. Watch Only. The “Smiley” is a classic 41mm stainless steel case, black dial, and matching black bezel. Powered by a reliable Tudor automatic movement and paired with a stainless steel bracelet for a versatile, everyday-wear design. The Black Bay 41 combines vintage-inspired styling with modern durability, offering excellent wrist presence while maintaining a clean, timeless look. A great entry point into the Tudor lineup and an ideal daily wearer for both casual and professional settings. Again this is watch only.