Karoshi caliber OS-01
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OS-01 description
Mechanical self winding movement with a power reserve 50 hours, consisting of 318 components / 45 jewels.
Baseplate serving as casing for the watch.
2,5Hz (18’000 vph) balance frequency oscillation
14 mm balance wheel; 60 second tourbillon
Sequential trigger dead beat second
Platinum micro blasted micro rotor (11,6 g)
Pellaton winding system
Titanium grade 5 bridges
Chamfer and Maret polishing and on steel components
Burnished pivots
Circular decorations on all wheels
Geneva stripes decoration on back bridges
Chamfered and polished screws
