Haven’t worn my Presage Blue Enamel (SPB069J1) in a while:

Is the 0.2 mm sapphire crystal a round disc that rotates around once every 30 days or is the sapphire crystal applied to a regular metal disc that rotates around every 30 days? What makes the blue sky? Is the sapphire cystal naturally blue or is it clear

Hello GP fans, IGOTT is over and GP booth was the booth that I spent the most time in. They have been very, very kind as to show me the museum pieces in person!!!! I spent at least ten minutes with "Esmeralda". These pieces has never left the museum befor

But I already laid my bet on the UN Marine Perpetual. As much as I liked the Acqua Perpetual, their stainless steel bezel was no match for the blue enamel bezel inlay coupled with the blue enamel dial. It is the richest blue I have seen on a watch dial. W

Hello Marcus and thank you for that post. I recently traded e-mails with a fellow who had just bought a blue enamel dial San Marco Chronometer. He told me that the US sales manager for UN had indicated that the enamel dial series (I do not expect this inc

Can any of you who knows GP much better than I (I have been and are, collecting Eterna) say anything about this GP Gyromatic SS, On the rotot it says Girard Perregaux 6 Jewels in Gyro unit, and the movement is marked 2119171. It has a deep blue enamel fac