![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/cad4a71/2147483647/strip/true/crop/2000x2000+0+0/resize/385x385!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fb6%2F7d%2F659c03ed4416b7ecd18d9d95b097%2Fge2134-btb8g-3.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
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Grail Watch - The IWC GST Perpetual Calendar Chronograph Moon phase in Titanium - Ebay Issues... - YouTube
![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/af0ce4f/2147483647/strip/true/crop/2000x2000+0+0/resize/1024x1024!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2F1e%2Fa7%2F2c7e8b8d4dffa3057f846a37f054%2Fge2134-btb8g-1.jpg)