Q-2010.ZS Zentrumsekunde
2010.ZS (GR) ST
The Case
polished / burnished, double screw union • diameter 38.5 mm • height 10.0 mm • 1.0 mm sapphire glass on top, slightly domed and antireflected inside • screwed sapphire glass base • oversized crown with embossed manufactory name solid nickel-free stainless steel, polished / burnished
The Dial
central display of hours, minutes and seconds • engraved brass dial with the grained, silky matte finished surface of historical ship chronometers • engraving technique in the tradition of old precision pendulum clocks • black engraving
The hands
steel, hand-polished and heatblued
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The Movement
diameter 34.3 mm • height 4.7 mm • 28 rubies • power reserve 52 hours • 18,000 semi-oscillations per hour • inhouse developed and created movement • double barrel with indirect driven, visible Maltese cross spring for almost linear torque of the power to the movement (patent pending) • classic short anchor escapement with a lower escape wheel • red gold plated, grained three-quarter plate with yellow gold plated hand-engraving of manufactory name and serial number • retracing ratchet • sunburst finish on winding wheels • Glucydur screw balance with Nivarox-1-Breguet-spring • swan-neck fine adjustment on the hand-engraved balance cock • screws flat polished, heat-blued, with bevelled edges • indirect center second driven by third wheel to the center second pinion