OPUS SECUNDA M 130
Case
Black varnish with a carbon cassette in the back wall and metal inlays, door with magnetic catch
Height: 134 cm, width: 25.5 cm, depth: 12.5 cm
Crystals
Anti-reflective mineral glass, U-shaped glass glued on a mitre
Movement
Sattler calibre 1736
Power reserve
28 days
Drive
3.100 g weight on pulley with jewel bearings
Oscillator
Invar pendulum (diameter 8 mm), temperature and air-pressure
compensation with twin barometer, double-cylinder pendulum body
Ball bearings
11 precision ball bearings
Jewel bearings
6 in screwed-in chatons, 2 agate anchor pallets
Dial
Anodised aluminium, skeletonised with visible escapement (Graham), three-dimensional hand-painted moon phase in the funnel, numbered
Hands
Blue steel hands, domed by hand
Beat rate