Grand Seiko 2025 Evolution 9 Collection Automatic Hi-Beat 80 Hours Limited Edition "Mount Iwate Ridges" SLGH027

Grand Seiko 2025 Evolution 9 Collection Automatic Hi-Beat 80 Hours Limited Edition "Mount Iwate Ridges"

SLGH027

Limited Edition of 1,200 Pieces

🌌 Grand Seiko SLGH027 – Skyborn Precision, Earthbound Elegance

Elevate your wristwear with the Grand Seiko SLGH027, a mechanical marvel that channels the serene majesty of Japan’s northern landscapes. This limited-edition timepiece reimagines the spirit of Mt. Iwate from above—its dial shimmering in a crisp, airy blue that evokes alpine skies and untouched waters.

✨ Dialed in by Nature

The textured surface of the dial mimics the rugged ridgelines of Mt. Iwate as seen from the clouds, offering a sense of depth and movement that shifts with the light. It’s not just a watch face—it’s a canvas of natural geometry.

🛡️ Crafted for Endurance

Encased in Ever-Brilliant Steel, a rare alloy prized for its luminous finish and superior resistance to corrosion, the SLGH027 is built to withstand both time and the elements. The bracelet and case gleam with alternating mirror and brushed finishes, creating a quiet interplay of light and shadow.

⚙️ Powered by Innovation

Inside beats the Caliber 9SA5, Grand Seiko’s high-frequency movement with an 80-hour power reserve. Thanks to its Dual Impulse Escapement and twin barrels, this engine delivers both precision and longevity—hallmarks of true horological mastery.

🧭 Evolution 9 Design

With bold hands, sculpted markers, and a low-profile case, the SLGH027 exemplifies Grand Seiko’s Evolution 9 philosophy—clarity, comfort, and timeless form. Every angle is meticulously crafted for legibility and elegance. Flip the watch over, and the case back reveals a wave-inspired finish on the movement platform—a subtle tribute to the nearby Shizukuishi River. It’s a poetic detail that speaks to the soul of Japanese design: quietly profound, and uniquely present.

Whether you’re a seasoned collector or a seeker of rare beauty, the SLGH027 is a statement of craftsmanship and culture—ready to be worn, admired, and passed down.

🕰️ Available now at Watchout.com  — secure yours before this sky-kissed masterpiece disappears into the clouds.

SLGH027 Specification:

Movement
Caliber: 9SA5
Movement Type: Automatic with manual winding
Mean daily rate: +5 to -3 seconds per day
(The mean daily rate is a mean value of daily rates in a condition where the movement before assembly in a case is measured in six positions in a fixed manner under an artificially controlled environment for 12 days.)
Normal usage accuracy:  +8 to -1 seconds per day
Power reserve: Approximately 80 hours
Jewel: 47

Exterior

Exterior: Ever brilliant steel, Caseback: Ever brilliant steel and sapphire crystal
Case back: See-through & Screw case back
Glass Material: Box shaped sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
Case size: Diameter 40.0mm Lug-to-lug 47.0mm Thickness 11.7mm
Band width: 22mm
Clasp type: Three-fold clasp with push button release
The perimeter of Band: 200mm

Other Details 
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Weight: 169 g
LIMITED EDITION on the case back
Serial number engraved on the case back
Screw-down crown

Made In Japan

* Kindly note that the displayed image is either a graphic representation or a prototype and may not precisely reflect the final product. Color variations may occur due to differences in browsers, display settings, or devices used for viewing. Additionally, the orientation of the case back in the actual product may differ from what is shown in the photograph.