Replica Rolex Date Blue Sigma Dial Vintage Steel Watches 1501

This is a perfect replica Rolex watch.The Sigma dial indicates that the hour markers and hands on the watch are made of white gold, which is denoted by the sigma symbol placed next to the hour markers. This was a characteristic feature of certain Rolex models produced in the 1970s.As for the specific blue Sigma dial, it signifies that the dial itself is blue in color, and the hour markers and hands are made of white gold. The combination of the blue dial and the white gold markers and hands creates an elegant and distinct aesthetic.