Available for the first time in steel, the Reference 5905 self-winding flyback chronograph with Annual Calendar radiates a resolutely sporty look. The rhythmic dial features an elegant and casual "sunburst" olive green color. The integrated bracelet is enhanced by contrasting polished and satin finishes. Thanks to the vertical disk-type clutch, the central chronograph seconds hand can be used as a permanent (running) seconds display. The patented Annual Calendar automatically takes account of 30- and 31-day months, requiring only one correction per year, on March 1st.

The entire watch is fixed in durable stainless steel. The watch features a sapphire crystal case back and is water-resistant to 30m. The watch has a diameter of 42 mm and a total height: of 14.13 mm making it a rather wearable watch on many occasions on the average male wrist. The watch is USED but comes with box and papers. 

The entire watch is crafted in beautiful and durable stainless steel from the front case all the way to the bracelet and clasp. The bracelet though features Pateks signature fold-over clasp.

This Patek features a beautiful olive green sunburst, with gold-applied hour markers. With a central chronograph hand and a 60-minute counter upon the dial.

This Patek has a self-winding mechanical movement. Caliber CH 28‑520 QA 24H. Classified as a Flyback Chronograph. The features of this watch include an annual calendar, day, date, month, and day/night indication displayed in apertures.