Patek Philippe Travel Time Rose Gold 5134r Three-part, solid, polished, concave lugs, transparent case back, sapphire crystals. The crown at 3 is for time-setting and winding, the push button at 8 advances the local time hour hand forward in 1-hour increments, the one at 10 moves the same hour hand 1 hour backward. Dial with applied and faceted white gold bāton indexes, subsidiary dials for the seconds at 6 and the 24-hours of the second time zone at 12. White gold bāton hands, matte hand for the second time-zone. Movement is Calibre 215/156, stamped with the Geneva Quality Hallmark, rhodium-plated, fausses cōtes decoration, 18 jewels, straight line lever escapement, Gyromax balance adjusted to isochronism and 5 positions, shock-absorber, self-compensating free-sprung flat balance-spring.