EBEL astronomical 18k white gold chronograph

EBEL astronomical 18k white gold intermediate wheel chronograph 1911 perpetual calendar, self winding, Switzerland around 2000, reference 3136901, solid gold case including original leather strap with original 18k white gold deployant clasp, snap on case back, silvered dial with applied Roman hours, display of hours, minutes, constant second, perpetual calendar (day, date, month, moon phase, leap year) & chronograph, correction at the sides in case inserted, tachometer graduation, rhodium plated movement, calibre 134 (El Primero 40.0), diameter approx. 42 mm, condition 2, from the estate of a collector