India, April 24 -- This Glendronach 56-Year-Old whisky is an ode to the brand's continued excellence in sherry cask maturation.

Two hundred years is a long time. Long enough for empires to rise and fall, for tastes to shift, for entire industries to reinvent themselves. The Glendronach, founded in 1826 by James Allardice, has endured through all of it. To mark the milestone, the Highland distillery releases its oldest expression to date: a 56-year-old single malt distilled in 1968, now bottled as a testament to time, patience and quiet stewardship in the realm of sherry cask maturation.

A closer point of reference sits in Singapore. BP de Silva, established in 1872, remains the nation's oldest surviving brand, yet it came decades after ...