CHRONOMASTER OPEN | 42 mm | Automatic Diameter_40.50 mm The specially decorated movement inside

The specially decorated movement inside is the OMEGA Calibre 1869

featuring a black open dial revisiting the emblematic ZENITH four-pointed star

playing on variations in diameter as "snow-set" to ensure roundness and refinement

It also sports a date window at 4:30

crown and helium escape valve

CHRONOMASTER OPEN | 42 mm | Automatic Diameter_40.50 mm The specially decorated movement insideA bold and contemporary take on the iconic El Primero line, this Chronomaster Open features a 42 mm stainless steel case with a striking blue sunburst dial and an open heart display revealing the legendary El Primero 4061 automatic movement. Equipped with a chronograph (30 minute counter, 60 second center), tachymeter scale, and luminous hour markers and hands, this model perfectly blends sport and sophistication. Finished with a steel bracelet and