- BC4 and BC3 - Oris BC4 Pointer Day Leather D (OR-679)
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Oris BC4 Small Second Pointer Day is a modern interpretation of classical aviation timepieces. The watch is equipped with Oris 645 automatic calibre, a modification of ETA 2836-2. The movement performs 28 800 vibrations per hour and has 27 bearing jewels. A 38-hour power reserve is available for the convenience of the wearer. Subsidiary seconds appear at the 9 o'clock mark. A date display is located at 3 o'clock. Hands and indices are luminous for improved night time visibility. Additional useful features include automatic winding pointer day, stainless steel Oris Quick Lock security crown, see-through case back and scratch-resistant sapphire crystal glass with anti-reflective coating.
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