A FINE AND RARE PINK GOLD DOUBLE-DIALLED PERPETUAL CALENDAR TOURBILLON WRISTWATCH WITH EQUATION OF TIME, AM/PM INDICATION, DAY/NIGHT INDICATION, TIME OF SUNRISE AND SUNSET, AND SYNODIC ORBITAL MOON PHASE WITH MATCHING ACCOUTREMENTSREF 1925 NO 11/15 CASE 1510727 CIRCA 2017
Estimate: 80,000 – 120,000 CHF