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316L stainless steel case, 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), oscillating weight mounted on ceramic ball-bearings. 48 hours power reserve. Top Chronometer quality regulating organ.


Gradient blue dial, 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.

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