Perpetual Calendar 1526 — Pink Gold

Much rarer than yellow gold. Phillips’ c. 1951 example (case 665'501) has a hard-enamelEnamelA glass-based decorative material fused to metal by firing. In traditional dial-making, powdered enamel is applied in layers and heated in a kiln. A dealer’s colour or finish description alone does not establish this construction. Arabic dial with a double circle around the moon-phaseMoon-phase displayAn astronomical indication showing the Moon’s changing appearance through its cycle, averaging about 29.5 days. Display accuracy and the interval between corrections depend on the mechanism; a maker’s specification for one calibre should not be applied to every moon-phase watch. aperture, which it calls a first-generation trait.