OPUS METALLICA 100
Black varnish with hand–polished cassette
Case
Height: 105 cm, width: 27 cm, depth: 14 cm
Crystals
Anti–reflective mineral glass, affixed on a mitre
Movement
Sattler calibre 2005-M
Power reserve
28 days
Drive
Weight 3.500 g tungsten with pulley
Oscillator
Invar pendulum Ø 8 mm, temperature and air-pressure compensation with twin barometer
Ball bearings
8 precision ball bearings
Jewel bearings
6 pieces, 2 agate anchor pallets
Dial
Anodised, two-part, Arabic, hand-painted moon disc,
Beat rate