The MB&F Horological Machine N°9 ‘Sapphire Vision’ was introduced in 2021 as an updated take on the original 2018 ‘Flow’ models. The case now features generous amounts of sapphire, which allows for a 3D vision of the sculptural HM9 movement. Reference 91.SRL.BU has the framework done in red gold, whilst details of the movement are finished in PVD-coated blue.Dimensions: 57mm x 47mm x 23mm
