No. 6 H-Type Spark
⏳ Drinking Window
Typically best enjoyed fresh, within 1 to 2 years of the bottling release date, to fully appreciate its lively carbonation and pristine, unpasteurized character.
🍽️ Food & Wine Pairings
fresh oysters, assorted sashimi, lightly battered vegetable tempura
✨ Technical Specifications
The No. 6 H-Type Spark is a highly coveted, naturally sparkling expression from Aramasa's legendary No. 6 lineup, which exclusively celebrates the historic Kyokai No. 6 yeast isolated at the brewery in 1930. The 'H-Type' (often associated with 'Hatsu-shibori' or the first pressing of the brewing season) is crafted using the traditional Kimoto starter method and fermented in wooden casks (kioke). This unpasteurized (nama) sake undergoes a secondary fermentation in the bottle, capturing a delicate, lively effervescence. It represents eighth-generation president Yusuke Sato's avant-garde vision, marrying ancient Shinto-aligned brewing philosophies with a modern, high-acid, wine-like aesthetic that has redefined the global perception of sake.
🍾 About the Producer
Established in 1852 by Uhei Sato in Akita Prefecture, Aramasa Shuzo stands as one of Japan's most revolutionary and revered artisanal producers. The brewery earned historic distinction in 1930 when its in-house culture was isolated as Kyokai No. 6, the oldest surviving yeast strain in active distribution. Under eighth-generation kuramoto Yusuke Sato, who took over in the late 2000s, Aramasa embarked on an uncompromising renaissance. Sato committed strictly to pure Junmai brewing, utilizing exclusively local Akita-grown rice cultivated without chemical pesticides, including over 30 hectares farmed in the Uyashinai district. Reviving traditional Edo-period techniques, all fermentations rely purely on indigenous lactic bacteria via the kimoto method and take place entirely in wooden cedar vats (kioke). Fermented using only pristine soft local mountain water and Kyokai No. 6, Aramasa's sakes—such as the iconic unpasteurized No. 6 series, the terroir-driven Colors collection, and the experimental Private Lab bottlings like Amaneko—are globally benchmarked for their electrifying acidity, pristine structural tension, and vinous elegance.