Arnold & Son announces a new reference of the Instrument DTE: Double Tourbillon Escapement Dual Time Watch. The movement decoration is of nickel-silver, NAC grey treated with superlative Haute Horlogerie finishing with hand-chamfered bridges and polished edges, fine circular graining and Côtes de Genève rayonnantes, plate dial side with Côtes de Genève and mirror-polished heads Tourbillon is white gold bridges, satin-finished and mirror- polished surfaces with hand-chamfered and polished edges. The dial is of silvery opaline and case is in white gold, cambered sapphire with anti-reflective coating on both sides, strap is of hand-stitched black or brown alligator leather.