Caliber 99.4
99.4 (1) ST
The Case
polished / burnished, double screw union • diameter 42 mm • height 11.5 mm • 1.6 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 and minutes • hand date with even day division and clear delimitation of the month end and beginning of the new month at “3 o’clock” • extra large eccentric second display at “9 o’clock” sterling silver with the grained, silky matte finished surface of historical deck watches • numerals and indexes with black print
The hands
steel, hand-polished and heatblued
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The Movement
diameter: 37 mm • height: 4.4 mm • 20 rubies • fast correction of the date by means of a separate button at “2 o´clock” • springing change of date at 0 o´clock • oversized eccentric second display, indirectly driven below the train by means of an intermediate gear, with friction spring and cantilevered second pinion • power reserve 50 hours (+/-5%) • 18,000 semi-oscillations per hour • roségold plated three-quarter plate with yellow gold hand-graving of manufactory name and serial number • Geneva stripe finish • retracing ratchet • double sunburst finish on the crown wheels