1930s Eberhard Staybrite 40mm Step Chronograph Very Rare Black Porcelain Dial With Breguet Numerals

1930's Manufacture Eberhard Cal.16 line with staybright 40mm step design chronograph Very rare black porcelain dial. The chrono button at 2 o'clock is used to start, stop, and reset the chronograph, and a sliding button at 4 o'clock, which appears to be a button, is used to hack the chronograph when slid upward while the chronograph is running. The dial is a precious porcelain dial. The dial is a black porcelain dial, a rarity among precious porcelain dials, with a royal design combining telemeter and snailed tachymeter, Breguet indexes and Breguet hands, and a 40mm oversized case with a step design, etc. The high design and quality, the The chronographs made by Eberhard & Co. have been attracting more and more attention in recent years for the overwhelming presence of their original movements. There is a crack on the outer circumference of the dial, but considering the rarity and design, the condition is sufficient and the price is very reasonable.