Automatic movement, Calibre – 315 S IRM QA LU, 36 jewels, 48 hrs power reserve, Gyromax balance- wheel, 21'600 vibrations per hour, 355 components, 21K yellow gold central rotor (engarved with logo), the day, month, date and moon-phase have quick set pushers recessed into the case, gold case with a creamy enamel dial with gold baton markers, gold hands and numerals at 12, 9, 3 - the moon-phase is a gold disk displays: full / new moon each lunar month. The hour & minute hands have applied luminescence as does the dial at each hour mark. A gold sweep second hand, date aperture at 6 o’clock position, original brown leather strap with 18k gold clasp. Water resistance – 30 meters. Transparent case back with sapphire crystal display back. Dial & movement signed; crown, clasp & strap branded with logo.