This 116523 has a three-tone black dial, a stainless steel case, and an 18kt yellow gold and stainless steel oyster bracelet. Scratch-resistant sapphire crystal. Sturdy bottom cover. Case diameter: 40 mm. With contrasting chronograph and unique red seconds hand. Luminous baton hour markers are a modern feature developed by Replica Rolex that provides uniform glow for up to 8 hours.