A. Lange & Söhne Langematik Perpetual Watch
38.5mm platinum case, 10.2mm thick, transparent back, platinum bezel, scratch resistant sapphire crystal, rhodium dial with applied roman numeral hour markers, calibre l922.1 sax-0-mat automatic movement with hours, minutes and subsidiary seconds dial, patented zero-reset mechanism, perpetual calendar with outsize-date, day-of-week, month and leap-year display, moon-phase display, day/night indicator, approximately 46 hours of power reserve, black alligator/crocodile leather strap, tang buckle.
A. Lange & Söhne Langematik Perpetual Watch
38.5mm 18K pink gold case, 10.2mm thick, transparent back, 18K pink gold bezel, scratch resistant sapphire crystal, silver dial with applied roman numeral hour markers, calibre l922.1 sax-0-mat automatic movement with hours, minutes and subsidiary seconds dial, patented zero-reset mechanism, perpetual calendar with outsize-date, day-of-week, month and leap-year display, moon-phase display, day/night indicator, approximately 46 hours of power reserve, brown alligator/crocodile leather strap, tang buckle.
