Grand Seiko

Stainless Steel SLGH011

Reference Number :

SLGH011

Series : Evolution 9

Retail: $9,300

(As of: 01/2025)

This watch is not for sale, this page is just for reference purposes only. If you would like to purchase this watch, please contact Grand Seiko. If you are interested in selling this watch to us, you can contact us here.

Quick TakeThe SLGH011 "Green Birch" is a symphony of steel, a testament to Grand Seiko's relentless pursuit of perfection, each tick a whisper of the ancient forests that inspired its verdant dial. The 9SA5 movement within is a mechanical marvel, a powerhouse offering 80 hours of reserve, a silent vow of enduring precision. This isn't merely a watch; it's a slice of nature's grand design, meticulously shaped by human hands. The Evolution 9 case, with its Zaratsu polish, is a study in contrasts, a harmonious blend of sharp angles and gentle curves. Each glance at the dial, textured like the bark of a white birch, reveals a new detail, a fresh perspective. This is a watch that doesn't just tell time, it tells a story, a narrative of craftsmanship, innovation, and a deep reverence for the natural world. It invites you to pause, to reflect, and to appreciate the artistry of horology at its finest, right there on your wrist. A subtle, yet effective nod to Japanese nature and design.

DescriptionThe Grand Seiko SLGH011, part of the Evolution 9 Collection, is constructed with a stainless steel exterior. This material was selected for its durability and aesthetic appeal, providing a robust yet refined structure for the timepiece. The case has a diameter of 40.0mm, a lug-to-lug measurement of 47.0mm, and a thickness of 11.7mm, creating a balanced presence on the wrist. Its see-through and screw case back offers a view into the intricate inner workings of the watch. The box-shaped sapphire crystal, treated with an anti-reflective coating on its inner surface, ensures clarity and reduces glare. Zaratsu polishing has been applied to achieve a mirror finish on the case, alternating with a hairline finish to create a distinctive, harmonious glow. The watch has a band width of 22mm and utilizes a three-fold clasp with a push-button release mechanism. It has a total weight of 178 grams, striking a balance between a substantive feel and comfort for extended wear. The timepiece is designed to be water-resistant up to 10 bar and has a magnetic resistance of 4,800 A/m, making it suitable for a wide range of environments.

Powering the SLGH011 is the Caliber 9SA5, an automatic movement that also allows for manual winding. This movement is notable for its enhanced energy efficiency, offering a power reserve of approximately 80 hours. This extended duration means the watch will continue to operate for over three days without being worn or wound. The movement's mean daily rate is calibrated to be between +5 to -3 seconds per day. This rating represents the average of daily rate variations when the movement, prior to being assembled into the case, is measured in six different positions under controlled conditions for 12 days. In typical use, the accuracy is expected to be within +8 to -1 seconds per day. This precision showcases the high level of craftsmanship and attention to detail that has gone into its manufacturing. Other features include a screw-down crown, which provides an extra layer of water and dust resistance, enhancing the overall durability of the timepiece. Its total weight of 178 grams offers a substantial feel on the wrist.

GenderMen

SignaturesGrand Seiko

Country of OriginJapan

Case Size40 mm

MovementAutomatic

Caliber9SA5

FunctionsHours, Minutes, Seconds, Date

Power Reserve80 Hours

Case MaterialsStainless Steel

Bezel MaterialsStainless Steel

Lug MaterialsStainless Steel

Case BackSapphire Crystal