📌 Features
- Case Size: 42mm
- Open heart design showcasing visible machinery
- Vibrant yellow dial with radium-enabled figures
- Durable IGP color coating resistant to fading and rusting
- 3-link integrated silver bracelet for a comfortable fit
- Glass back open technology for a view of the inner workings
- Automatic movement with power backup technology
The Citizen Tsuyosa Open Heart is a striking blend of sporty elegance and innovative design. With its 42mm case and captivating yellow dial, this watch stands out in any collection. The open heart feature not only showcases the intricate machinery within but also adds a unique character to your wrist.
Equipped with radium-enabled figures, the time is easy to read even in low light. The watch boasts a robust 3-link integrated silver bracelet, providing both comfort and durability. Thanks to its IGP color coating, you can enjoy a watch that resists fading and rusting—perfect for daily wear.
What I love most about the Tsuyosa is its automatic movement, which means you’re not just wearing a timepiece; you’re wearing a piece of engineering brilliance. Plus, with the glass back open technology, you can admire the inner workings of this reliable watch.

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