Price on request, alange-soehne.comBulgari’s ultra-thin Octo Finissimo has driven all before it in transforming the jewellery house’s watch business in recent years, and becoming one of very few designs of the past decade that can justify the ‘modern classic’ epithet. One unexpected side story has been a much-praised limited edition co-created with the Japanese minimalist architect Tadao Ando, setting an off-centre spiral into watch’s octagonal form factor.