Grand Seiko · Family: Heritage Collection
The Grand Seiko SBGA413 'Shunbun' is a 40mm high-intensity titanium dress watch, its case reinterpreting the historic 1967 62GS, with a pink dial evoking cherry blossoms at the spring equinox. It runs the Spring Drive Caliber 9R65 with roughly 72 hours of power reserve. Cazador has no verified price observations (n=0) for this reference as of today.
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Insufficient data: 0 price observations (PricePoints) recorded as of July 25, 2026. Cazador does not estimate or infer a range without sourced market data.
Grand Seiko was born in 1960 as Seiko's high-end line, with the stated goal of building the best watch possible within the precision, legibility, and finishing standards of Japanese watchmaking. It became a fully independent brand in 2017, after decades operating under the Seiko umbrella.
The SBGA413 belongs to the 'Four Seasons' series within the Heritage Collection, introduced in 2019 initially as a US-market exclusive before expanding to international availability in Grand Seiko stores and boutiques [UNVERIFIED: exact year of that expansion]. The reference takes its Japanese name, 'Shunbun', from the spring equinox, and its dial represents cherry blossoms flowering at that point in the year.
The 40mm high-intensity titanium case — roughly 30% lighter than steel while remaining equally scratch- and corrosion-resistant — reinterprets the design of the 1967 62GS, Grand Seiko's first automatic watch. It runs the Spring Drive Caliber 9R65, a movement that pairs a traditional mechanical escapement with an electronic quartz regulator (glide wheel), reaching an accuracy of ±1 second per day and roughly 72 hours of power reserve, visible via the dedicated indicator at 8 o'clock.
[UNVERIFIED: we do not confirm the exact piece count of this special edition, nor whether it remains available in current catalog as of July 2026].
Cazador has no verified price observations for this reference (0 PricePoints recorded as of July 2026). We do not publish estimates without our own sourced market data.
It's a Seiko/Grand Seiko exclusive technology that pairs a traditional mechanical escapement with an electronic quartz regulator, achieving ±1 second per day accuracy without losing the feel of an automatic watch.
It's the Japanese term for the spring equinox, and gives its name to this edition within the 'Four Seasons' series inside the Heritage Collection.
It is marketed as a special edition within the 'Four Seasons' series, though we do not confirm the exact number of pieces produced.
It reinterprets the design of the 1967 62GS, the first automatic watch Grand Seiko ever launched.
In 2017, after decades operating as the high-end line within Seiko's catalog since its creation in 1960.
Roughly 72 hours on a full wind, with a dedicated indicator on the dial at 8 o'clock.