24 Hours – A Day of Seals is a box set studio album by the Japanese noise musician Merzbow. It has a less-noisy, drone metal influenced sound. Many of the tracks on the album feature guitar loops. To celebrate the release of two seal-themed albums, 24 Hours – A Day of Seals and Merzbeat, an exhibition called Seal Exhibit (海豹展 Azarashi ten) was held October 10 – December 10, 2002 at Los Apson?, a record store in Tokyo. The exhibit featured eight seal-themed paintings.