Jaeger-LeCoultre Lyre 18k yellow gold wristwatch with perpetual calendar, Switzerland around 1988, reference 141.140.1, self winding, case back screwed-down 4-times, display of hour, minutes, sweep seconds, perpetual calendar with year date & moon phase, sapphire crystal, calibre 889/440/2, 47 jewels, 4 adjustments, fausses cotes decoration, blued screws, diameter approx. 33 mm, calendar to adjust, service receipt of December 2011 enclosed, condition 2-3