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
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.
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.