Glashutte Original, Essence Series, Model: 1-39-34-21-42-04, Automatic mechanical, stainless steel, diameter: 44mm, symmetrical double sub-dials layout, symmetrical chronograph sub-dials on both sides: The 30-minute chronograph dial on the left and the 60-second chronograph dial on the right, with a central chronograph seconds hand in the center. The dial surface is clean and neat, presenting a classic formal chronograph layout. Silver-gray silver-plated dial, strip-shaped three-dimensional luminous hour markers, Toffee hands; The bottom of the dial is printed with the brand's signature double GLogo, and the outer ring is surrounded by tachometer scales. It is a single watch.