Grade 5 Titanium case, 42mm diameter, 14.50 mm height, double-sided antireflective saphire crystal, sapphire crystal case-back, 50 meters water-resistant.
Mechanical self-winding EK-MVTWTA01 World Time & Alarm movement. Concepto base calibre modified and personalised for Edouard Koehn, entirely manufactured in La Chaux-de-Fonds, Switzerland, double barrel, automatic winding of the watch and alarm functions. 31 jewels, 28,800 vibrations per hour (4 Hz), oscillating weight mounted on ceramic ball bearings, 42-hour power reserve.
Sunray silver dial, applied indexes with luminescent dots (superluminova), grey matt central disc.
Alpha type luminescent hands (superluminova).
Sky blue calf leather strap, off-white stitches, folding clasp.
Functions: Hours, minutes, seconds, Universal Time by central 24-hour disc, Alarm by hand.