Characteristics: matt titanium barrel guilloché with a border on the sides and engraved with the Breguet signature. Rings in 18-carat white gold. Central ring in 18-carat white gold, hand-guilloché in ‘flutings’ and ‘border’ style. Matt titanium cap guilloché with a border on the sides and engraved with the Breguet signature. Clip in 18-carat white gold in the shape of a Breguet ‘open-tipped’ hand. Nib in 18-carat white gold hand-engraved with a sun and the year 1775. Also available in rose gold: reference WI01TR07F. Writing system: plunger fountain pen with cartridge function. Accessories: inkpot and cartridges. Leather case for two pens. Lacquered wooden marquetry case.