- Instrument Chronographs - Sinn Flieger Chronograph 103 St Ty Alligator D (SN-005)
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The Sinn 103 range is part of the brand's instrument chronograph collection. This watch is equipped with Valjoux 7750 automatic calibre that performs 28 800 vibrations per hour and has 25 bearing jewels. Additional functionalities include tachymeter and pulsometer scale, day and date windows at the 3 o'clock mark, luminous hands and numerals, low pressure resistance and shock-resistant acrylic glass.
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