Orfina 7176S
Chronograph I
1972 –present
The Orfina Porsche Design Chronograph I, reference 7176S, is a vintage chronograph designed by Ferdinand Alexander Porsche, the designer of the Porsche 911. It features a black PVD-coated stainless steel case, a matte black dial with tritium lume, and is powered by the Valjoux 7750 automatic movement. It has subdials for chronograph minutes, chronograph hours, and small seconds as well as a day-date complication.
Specifications
Case Diameter 40 mm
Case Material stainless steel, PVD
Case Shape round
Case Back solid
Lug Width 20 mm
Water Resistance 100m
Crystal mineral
Bezel Type fixed
Dial Color black
Dial Indexes baton
Dial Hands stick
Bracelet/Strap integrated
Bracelet Material stainless steel
Clasp fold_over
Complications chronograph, date, day
Movement
Movement Valjoux 7750
Type automatic
Power Reserve 42 hours
Frequency 28,800 vph
Jewels 25
Functions hours, minutes, seconds, chronograph, date, day
