IWC


The name of the Da Vinci Tourbillon Rétrograde Chronograph alone reflects its unique status: on a single dial, it features a combination of a classic tourbillon, a chronograph and a retrograde date. IWC’s watchmakers have designed the new in-house 89900 calibre to make this distinctive constellation possible. The most conspicuous feature of the 18-carat red gold Da Vinci Tourbillon Rétrograde Chronograph (Ref. IW393101) is the flying tourbillon. The tourbillon cage is bearing-mounted only at one end, on the underside, and is not connected to an upper bridge. The tourbillon also features a technically complex hacking function that guarantees down-to-the-second accuracy when setting the watch. When the crown is pulled out, two levers grip the balance rim like a clamp and block the mechanism consisting of the balance, wheel train and hands. New geometry in the pallet and escape wheel combined with diamond shell technology ensures that the watch’s 68-hour power reserve when fully wo

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s