1940s Eberhard Pre-Extra Fort Single-Button Chronograph

Why This Watch Matters An oversized single-button chronograph in stainless steel! The Full Story This rare Eberhard Pre-Extra Fort chronograph features a large 40mm stainless steel case with a stepped bezel. This would have been considered huge in the 1940s but today the size is quite contemporary. The dial features a telemeter scale around the edge and a snail-shaped tachymeter scale in the center, making this a multi-scale dial. The registers at three and nine o’clock are in line with the center post, giving the dial additional symmetry. The dial features a copper ring around the hour markers, giving off a two-tone effect and adding a little extra texture. This copper ring pairs nicely with the silvered dial and blued steel hands. Another interesting detail about this chronograph is that, behind the 11 o’clock lug, the number "964" is engraved, a figure that corresponds to the last three digits of the case number.  While this chronograph may feature two buttons on the three o’cl