Classic (non-Royal Oak) 25850 — 25850PT — Platinum, Silver Breguet Dial

Platinum 36 mm execution with silver Breguet-numeral dial, day, date, month, leap-year cycle and moon phasesMoon-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.. The dealer reports a 1994 sale and an accompanying archive extractExtract from the archivesA document transcribing a maker’s historical records for a particular watch, which may include its recorded configuration and manufacture or sale dates. Its scope depends on the maker. Longines explicitly states that its extract does not authenticate the watch or its components..