Case is 42mm with a thickness of 13.5mm, 18k rose gold, crown engraved and micro-blasted with the Jacob & Co. logo, anti-reflective sapphire crystal, mineral and sapphire crystal caseback, water resistant to 30m. Dial is aventurine with polished applied Jacob & Co. logo and hour markers, satin-finished and polished minutes and power reserve rings, large date at 12 o’clock and power reserve indication at 6 o’clock, polished Dauphine hands, paired with an alligator leather strap and 18k rose gold pin buckle. Movement is the manually wound calibre JCCM01, 18 jewels, Glucydur balance wheel with anti-shock protection, Côtes de Genève, circular graining, and vertical satin finishing, 28,800vph. Power reserve is 50hrs. Price on request