Sinn Watch 903 ST Bracelet. The detailed dial is one of the most prominent features of the 903 navigation chronograph by Sinn. Nearly 30 steps are needed for the creation of all the intricate details. The chronograph can be used to make various types of calculations including multiplication, division, proportion calculations and conversions. Additional functionalities include electroplated and UV resistant dial, interior bezel with logarithmic scale, high and low pressure resistance, luminous dial elements, a seconds counter, a date display positioned between the 4 and 5 o clock marks, transparent case back and scratch resistant sapphire crystal glass with anti reflective coating.
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