GST Perpetual Calendar, Ref. 3756 Titanium perpetual calendar chronograph wristwatch with moon-phases, year indication and bracelet Circa 2003 | Fine Watches | 2021 | Sotheby's
GST Perpetual Calendar, Ref. 3756 Titanium perpetual calendar chronograph wristwatch with moon-phases, year indication and bracelet Circa 2003 | Fine Watches | 2021 | Sotheby's