カウントダウン目盛りつき内転リングと70年代に確立したSeikoスポーツウオッチ伝統のフローシェイプが融合した6Rキャリバー搭載のデザインライン⌚

A design line equipped with a 6R caliber that combines an internal rotary ring with a countdown scale and the traditional flow shape of Seiko sports watches established in the 1970s⌚

2025年9月11日

Pursuing the functionality and reliability required for timing in motorsports (rally), which take place under harsh environments and conditions.
The thin case is water resistant to 20 ATM, offering both excellent wearability and waterproofness.
The adductor ring with a countdown scale allows you to measure any time you want, such as the remaining time or the target time to complete a task.
Additionally, the reference position marker on the adduction ring is filled with Lumibrite to ensure visibility in dark places.
It fits not only formal occasions but also casual outfits.
[Mechanical watch]

Product number: SBDC215/SBDC217

Release date: September 2025
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