Horology company GST series is a powerful sports model change in collaboration with Porsche Design lasted for 20 years. GST and g gold, S and means titanium stainless steel, T, shows that variations in a variety of materials. This model is da is a sport model of winch movement intact. Over the prestige of the GST at the time, was made. Unusual clock with perpetual calendar as a complete sports model and original. CAL.79261 is a complete program calendar is so simplistic, you also the Moon always meets the good guests. It is useful because they go also dated at any time using a watch winder. Fit, and not to adjust the wait time would go hours ahead and urged that normally use the bloops to hex thing. You use it, because of an overhaul of product with accessories.