EK-WTA05IBASBK

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, 48-hour power reserve.

Ice Blue guilloche dial, applied indexes with Superluminova, grey matt central disc. 

Alpha type luminescent hands with Superluminova.

Black Louisiana Alligator leather strap, deployment buckle.

Functions: Hours, minutes, seconds, Universal Time by central 24-hour disc, Alarm by central hand with red pointer arrow