Watchatlas

Citizen / Eco-Drive

Citizen Eco-Drive

コレクションプロフィール · 1976

光エネルギーを電力に変換するEco-Drive技術を搭載したシリーズ。電池交換不要で環境に優しい腕時計。

その意義

Eco-Drive is central to Citizen’s identity: it ties together sustainability, convenience, and mass-market accessibility while remaining one of the most recognizable watch technologies in the category.

主要リファレンス

Eco-Drive

Eco-Drive Watches collection page — Official U.S. collection landing page for the Eco-Drive family.

Eco-Drive technology

Eco-Drive technology page — Official explanation of the light-powered system and sustainability claims.

Men's Eco-Drive Watches

Men's Eco-Drive Watches — Official category page showing the line’s breadth and current merchandising.

コレクションの年表

  • 2024 — Citizen continues to foreground Eco-Drive across its U.S. site as a major watch family and a core brand technology.
  • 2024 — The official technology page states that Eco-Drive was invented in 1976 as the world’s first light-powered analog quartz watch.
  • 2024 — Citizen’s technology page says Eco-Drive has saved over 100 million batteries from landfills, underscoring the sustainability message behind the line.

FAQ

Does Eco-Drive need battery changes?

No. Eco-Drive converts light into stored energy, so routine battery replacements are not needed.

How long can an Eco-Drive watch run in the dark?

Citizen states that fully charged Eco-Drive watches can run for more than six months in total darkness, with some models lasting longer under power-save modes.

公式コレクション ↗

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Citizenのその他のモデル

  • Promaster — 原子時計電波で常に正確な時刻合わせを行うシリーズ。
  • The Citizen — Citizenのエントリーレベルのスポーツ向けコレクション。
  • Attesa — Titanium collection featuring Super Titanium (5x harder than steel), GPS satellite wave, and Eco-Drive power.

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