Gronefeld 1941 Principia (2018)

18K white gold case in 39.5mm. The movement Automatic caliber G06 with unidirectional winding. Hand finished movement with their well-known stainless steel bridges and a 22K solid gold oscillating weight. The rotor uses ceramic ball bearing, preventing wear and eliminating the need for lubrication Power reserve 56 hours. Priced at 36,850CHF