![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](https://sothebys-md.brightspotcdn.com/dims4/default/5fcf8f6/2147483647/strip/true/crop/2000x2000+0+0/resize/2048x2048!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2F72%2F77%2F336a9467424d9cf37a2bce90f70f%2Fge2134-btb8g-2.jpg)
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 GST Perpetual Calendar, Ref. 3756 Titanium perpetual calendar chronograph wristwatch with moon-phases, year indication and bracelet Circa 2003 | Fine Watches | 2021 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/adf0d4b/2147483647/strip/true/crop/2000x2000+0+0/resize/2048x2048!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2F1e%2Fa7%2F2c7e8b8d4dffa3057f846a37f054%2Fge2134-btb8g-1.jpg)
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 GST Perpetual Calendar, Ref. 3756 Titanium perpetual calendar chronograph wristwatch with moon-phases, year indication and bracelet Circa 2003 | Fine Watches | 2021 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/cf375ad/2147483647/strip/true/crop/2000x2000+0+0/resize/2048x2048!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fb6%2F7d%2F659c03ed4416b7ecd18d9d95b097%2Fge2134-btb8g-3.jpg)