Oyster X Size:21 The Jump Hour mechanism is

The Jump Hour mechanism is a rare and fascinating complication that first gained prominence in the early 20th century

The dial features a luminous golden second hand and Super-LumiNova-filled indices

Franck Muller is enhancing its famous Cintrée Curvex™ collection with an exciting new addition: the Cintrée

framing a radiant sky-blue textured dial that shifts beautifully with the light

Oyster X Size:21 The Jump Hour mechanism isThe rubber strap with oyster buckle is molded from premium FKM rubber. The strap features a stainless steel polished oyster brace. Additional design details on the underside give it a more classic angular look. The open slots match dial rounded mold, increasing breath ability and reducing heat buildup at the wrist which provides hours of comfort. And we should not forget the ease of adjustment of the buckle it self