1941 Grönograaf, Steel Mark 1 This case is designed to

This case is designed to protect the most delicate timepieces

This was last Rolex to simply say 'Rolex Chronograph' on the dial at 12

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

2 comprises 365 components in a unique architecture which keeps the Rattrapante mechanism near the topmost plane

Differentiated by its natural pyrite veins

1941 Grönograaf, Steel Mark 1 This case is designed toA 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.