Grönefeld Watches - 1941 Principia Mandala | Only Watch 2023

For the first time Bart and Tim decided to add a hinged hunter case back to one of their timepieces. This Grönefeld 1941 Principia Mandala is the first and only Grönefeld timepiece that has such a case back. The inside of the case back has an engraving with the images of Bart, Tim and their father Sjef.