@iwcwatchesAug 26, 2026 · 2:27 · original sound - IWC Schaffhausen
Why does the replacement century slider repeat 22 instead of showing 23, 24, 25? A sharp question from Chris - and one with an even smarter answer. In this episode of IWC Replies, IWC watchmaker Sabrina Herzog explains why repeating a single number gives watchmakers nearly 100 years to swap the century slider, without interrupting the Perpetual Calendar's accuracy. Sometimes, great engineering is all about thinking centuries ahead. #IWCwatches #IWCschaffhausen #Watches #IWC #IWCreplies
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