Prototype movement, with unique case and dial developed especially for Only Watch, 44 mm tantalum case, Astronomic prototype movement in 18K rose gold and blue chrome dial.
Model name: Astronomic Blue/AST
Case: Case in Tantalum, unique piece developed exclusively for Only Watch
Dial: Blue chrome dial, unique example developed exclusively for Only Watch, with Silver parts.
Front indications: hours, minutes and seconds of average time, 2nd time zone, hours and minutes of sidereal time, sunrise and sunset, day and night, moon phases, power reserve
Back indications: annual calendar, equation of time
Calibre: Exclusive manual winding prototype calibre 1619 in 18K rose gold. Double barrel, minute repeater, tourbillon with « Remontoir d’égalité » performing a complete rotation in 60 seconds, dead-beat second.
Bracelet: Orange Alligator strap.
Dimensions: Diameter: 44 mm / Thickness: 13.75 mm