Grand Seiko Evolution 9 Series, Mount Iwate Dial + Column-Wheel Chronograph

Summary: Grand Seiko launches the Evolution 9 Tentagraph SLGC007 high-frequency chronograph in 2025. Equipped with the revolutionary 9SC5 movement (10Hz high frequency/3-day power reserve), the titanium case features a dial with a snowy Mount Iwate scene, perfectly blending Japanese aesthetics with watchmaking technology. A limited edition release will be available in May.

Grand Seiko is about to release another new watch, the Tentagraph SLGC007. The name alone sounds impressive! Not only does it look stunning, but the 9SA5 movement inside it also makes it incredibly precise. Do you know where the inspiration for this watch came from? Let’s take a look at the story behind it! Tentagraph SLGC007 Coming Soon
Recently, Grand Seiko officially announced the release of the new Tentagraph SLGC007 in May 2025. The watch will be available through Grand Seiko boutiques and authorized retailers. The Tentagraph SLGC007 has generated significant buzz, demonstrating that it not only maintains the brand’s renowned high standards but also offers numerous innovations.

Combining Japanese aesthetics with technological innovation
The Tentagraph SLGC007 boasts a striking design. Its dial is inspired by the winter landscape of Mount Iwate, a renowned Japanese mountain. The embossed mountain ridge at 9 o’clock appears to be covered in unmelted snow, while the dial boasts a stunning snow-blue hue. The blue shifts gently from different angles, creating a subtle, non-abrupt transition. Furthermore, the Tentagraph SLGC007 features enhanced Lumibrite, ensuring clear reading in both dark and low-light conditions, making it ideal for nighttime watch wearers.

Movement and Functions
The Tentagraph SLGC007 utilizes the 9SA5 movement, a member of the Evolution 9 series. Its greatest strength lies in its oscillation frequency of 10 beats per second, an astonishing figure for today’s mechanical watches. Traditional mechanical watches typically operate between 4 and 5 beats per second, a figure doubled in this watch. Furthermore, the 9SA5 movement features automatic winding, a highly practical feature.

Pursuing Precision, Practicality, and Aesthetics
The SLGC007 demonstrates that Grand Seiko, Japan’s premier watchmaking brand, truly achieves a “flowing” aesthetic in its watch designs. Building upon the SLGC001, it offers a refined and upgraded design. Both its appearance and movement further embody the brand’s dedication to the art of watchmaking. This watch’s design perfectly blends Japanese aesthetics with technological innovation, rather than simply showcasing technology for its own sake. The result is a watch that not only boasts a striking appearance but also combines precision, practicality, and durability.

The Tentagraph SLGC007 is an exceptional watch in every respect. Its release has delighted Grand Seiko enthusiasts and sparked a keen interest in the brand among those new to the art of watchmaking.

Conclusion
The release of the Tentagraph SLGC007 is truly exciting. Its perfect fusion of Japanese aesthetics and high-end technology creates a watch that is both beautiful and practical. It’s no wonder it’s garnering so much attention from watch lovers. What do you think of this watch? Share your thoughts in the comments section, and don’t forget to like and show your support!