316L stainless steel case with black ceramic bezel, 43 mm diameter, 15 mm height, double-sided antireflective sapphire crystal, sapphire crystal case-back, water-resistant to 100 meters / 330 feet.
Edouard Koehn EKCHR01Tri-Compax self-winding mechanical movement, Concepto base 2000 calibre, entirely manufactured in La Chaux-de-Fonds, Switzerland. 27 rubies, 28’800 Vibrations per Hour (4 Hz) with oscillating weight mounted on ceramic ball-bearings. 48 hours power reserve. Top Chronometer quality regulating organ.
Gradient silver dial, black counters, luminescent (superluminova) Arabic numerals indexes.
Luminescent (superluminova) skeleton hands.
Black colour high grade natural rubber strap with stainless steel tang buckle.
Functions: Hours, Minutes, Seconds, 60 seconds central Chronograph hand, 30 minutes and 12 hours Chronograph counters.