The Rolex Yacht-Master 116621 is an automatic timepiece, 40 mm in diameter, presented in gold and steel with a black dial. This Yacht-Master model is suited for daily wear, its robust construction tolerating up to 10 ATM water resistance. The gold and steel bracelet offers a secure fit. It is a piece that complements both formal and casual dress. Key details Brand: Rolex Line: Yacht-Master Reference: 116621 Type: Automatic watch Case Material: Gold/Steel Dial Colour: Black Diameter: 40 mm Water Resistance: 10 ATM Crystal: Sapphire crystal Bracelet: Gold/Steel