1941 Grönograaf, Steel Mark 1 just 79 examples of the

just 79 examples of the 25668 were created

It is a massively capable dive watch built during an era when Rolex still treated its sport references as tools first

and the patented floating lug case at 43mm in titanium

This case is designed to protect the most delicate timepieces

made for just one year inbetween all the matte dial production in 1966

1941 Grönograaf, Steel Mark 1 just 79 examples of theA Grnograaf, the very first chronograph from brothers Bart and Tim Grnefeld. Advancing the chronograph complication with bespoke architecture, it features a landmark 'soft reset' system through use of a centrifugal governor. Its 408 components are exceptionally well finished, a dramatic exhibition of steel bridge work. Made in just 188 examples, this steel Grnograaf is amongst the most technically refined chronographs ever created.