The IO Jumping Hours Central Tourbillon

From Hysek -

Courtesy of Hysek

The case is 45 mm in diameter and is of 18K rose gold.  

Here are the pertinents -

MOVEMENT:

§  Hysek HW20 caliber

§  Automatic, mechanical

§  Central flying tourbillon

§  24-hour jumping hours

Rose des Vents decoration

§  322 components

§  48 jewels

§  45-hour power reserve + 3 hours

§  Frequency: 28,800 vph

DIAL:

§  Manufactured in-house

§  Constructed on two levels, the base serving as a bridge for the disc system

§  Finish: circular satin, followed by bevelling. PVD coating

CASE:

§  Dimensions: 45mm x 11.4mm

§  Circular

§  18-carat rose gold

§  Sapphire crystal, non-reflective coating

§  Waterproof up to 30 metres

STRAP:

§  Folding clasp

§  Alligator strap