Hublot Spirit of Big Bang Chronograph Black Magic Ceramic 601.CI.0173.RX 2022The HUB4700 caliber is the successor to the famous El Primero caliber the first chronograph with an integrated style automatic winding (1969), which was also the first mechanical chronograph equipped with a 5 Hz frequency (36000 alt h) allowing an accuracy of 1 10th of a second. In a perfect fusion between tradition and innovation, this entirely skeletonized movement is now equipped with silicon regulating element ensuring avant garde performances,

Vibrations per hour: 28

IWC honours this pioneering achievement with the IWC Tribute to Pallweber Edition “150 Years”

DATOGRAPH UP/DOWNPlatinum with dial in black/argentéReference: 405

Steel case with a diameter of 46

Fixed silver-tone stainless steel set with 60 diamonds bezel

Lug width: 21mm

Case: 37mm Case Size

Model Number: 26480TI

Manual WindingBox & Paper (2022)Polished stainless steel case

The original IWC black crocodile strap is in excellent condition and shows no obvious signs of wear

Would rate this 95/100

column wheel