IWC Big Pilot’s Watch AMG G 63 has a massive 168 hours of power reserve

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(Image credit: IWC)

IWC Big Pilot’s Watch AMG G 63

(Image credit: IWC)

The case and crown of the gold model are actually made from IWC’s 18-carat Armour Gold, an alloy that is stronger than regular gold, which tends to be quite soft. The large case measures 46.2 mm in diameter and is 14.4 mm thick, with sapphire crystal on the front and back and a black rubber strap with microfibre inlay.

This is achieved thanks to a mechanism that uses “even the smallest movements of the rotor in both directions,” IWC says, to build up a week-long power reserve. The movement is visible through an exhibition case back that features a Mercedes logo at its centre and ‘Edition G-Class’ etching. The dial features a date complication at the six o’clock position and a pair of subdials showing seconds and the power reserve measured in days.

Despite the classy looks of the gold case, we reckon the carbon edition is the more interesting of the two. It’s the first IWC watch to feature a case made from ceramic matrix composite (CMC). Engineered in collaboration with the German Aerospace Center, the fibres of the composite material are embedded in a matrix of ceramic, rather than a polymer, IWC says. This helps the case withstand thermal shock, or sudden temperature change.

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Silicon crystals are then placed on top and the component is heated in an oven; during this so-called siliconisation, silicon is pulled into the cavities of the carbon and causes a chemical reaction that forms a new matrix made of silicon carbide ceramic.

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