From left to right Omega Constellation Co-axial Master Chronometer (29 mm in yellow gold) Constellation Co-axial Master Chronometer Small Seconds (34 mm in Sedna™ gold) ($24,100-$35,700, available at Omegawatches.com)

Coussin de Cartier watch (in white gold, diamonds, sapphires, emeralds, tsavorites, and blue tourmalines) (Price upon request, available at select Cartier boutiques nationwide.)

Tiffany & Co. Atlas® 2-Hand 31 mm women’s watch (in stainless steel and ice blue dial, with azure finishing set and round brilliant diamonds) ($6,100, available at select Tiffany & Co. boutiques.)