The official name is “Sinn Spezialuhren”, “Sinin special watch company" in English. The philosophy of the company is “watch only for use."
Helmut Sinn, who was also a flight instructor at the German Pilot in 1961, began making pilot watches in Frankfurt. Today, it manufactures professional use pilot chronographs and financial watches for people involved in finance. The average sales price for Sinn is £512.

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