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Or this >>>> In computing, a computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as a mechanical lever or electronic switch. Following the decline of punch cards and paper tape, interaction via teleprinter-style keyboards became the main input device for computers.

from>>https://en.wikipedia.org/wiki/Computer_keyboard

With demand at such an all-time high and with many luxury watch brands showing no signs of increasing output it seems that fine watchmaking link is going to keep getting more expensive and more exclusive. François-Henry Bennahmias CEO of Audemars Piguet has said that the company has no link plans to increase production much above a ceiling of 50000 pieces per year and the company states that the steel version of the new 16202 will have a total link production run of just 1000 watches total in 2022.