Grand Seiko

Diver SLGA015

Reference Number :

SLGA015

Series : Evolution 9

Retail: $12,000

(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 TakeThis is the Grand Seiko SLGA015, a dive watch that truly embodies the Evolution 9 Collection's ethos of blending high performance with refined aesthetics. Feel that high-intensity titanium case – 30% lighter than steel but tougher than nails, just like the resolve needed to brave the crushing depths. The bezel, a ceramic shield against the abyss, rotates with a precision that whispers of meticulous engineering. It's not just about survival; it's about mastering the deep, and the Spring Drive Caliber 9RA5 inside is your silent, unwavering ally. It boasts a five-day power reserve, laughing in the face of extended underwater missions, with accuracy that rivals the ocean's steady pulse. The dial? A black mirror to the Kuroshio Current, each texture a tribute to the raw power of the sea. This isn't just a watch; it's a testament to human ingenuity, a companion for those who dare to explore where few have ventured, crafted for the bold souls who push boundaries.

DescriptionThe Grand Seiko SLGA015 diver's watch showcases meticulous engineering and robust construction. It features a high-intensity titanium case and bracelet, resulting in a timepiece that is significantly lighter than comparable stainless steel models by approximately 30 percent, while also providing superior resistance to scratches and corrosion. The case has a diameter of 43.8mm, a lug-to-lug measurement of 51.5mm, and a thickness of 13.8mm, offering a substantial yet comfortable presence on the wrist. The unidirectional rotating bezel, critical for tracking elapsed time underwater, is made from ceramic, further enhancing the watch's durability and scratch resistance. The screw-down crown and screw case back contribute to its 200-meter water resistance, suitable for professional diving. The watch's face is protected by a sapphire crystal with an anti-reflective coating on the inner surface, ensuring optimal legibility in various lighting conditions. The hands, indices, and bezel markings are coated with LumiBrite, providing strong luminescence for visibility in low-light environments. The watch's total weight is a manageable 150 grams, making it suitable for extended wear. The band, also crafted from high-intensity titanium, measures 23mm in width and features a three-fold clasp with a secure lock and push-button release, along with a solid and slide adjuster for a precise and comfortable fit.

At the heart of the SLGA015 lies the Spring Drive Caliber 9RA5 movement, a testament to Grand Seiko's commitment to accuracy and innovation. This movement is rated to an accuracy of ±10 seconds per month, equivalent to ±0.5 seconds per day, ensuring precise timekeeping. The Spring Drive technology combines the beauty of a mechanical movement with the accuracy of quartz regulation, offering a unique and highly efficient timekeeping solution. The movement provides a power reserve of five days, displayed through a power reserve indicator on the dial. The dial itself draws inspiration from the powerful Kuroshio Current, also known as the Black Stream, with a deeply textured black surface that evokes the dynamic tides of this major ocean current. This design element, coupled with the watch's technical specifications, adds to the unique character and appeal of this particular model. The watch is also resistant to magnetic fields up to 4,800 A/m, ensuring its accuracy is not compromised by everyday exposure to electronic devices. The bracelet's perimeter measures 185mm, making it suitable for a variety of wrist sizes.

GenderMen

SignaturesGrand Seiko

Country of OriginJapan

Case Size43.8 mm

MovementAutomatic

Caliber9RA5

FunctionsHours, Minutes, Seconds, Date, Power Reserve

Power Reserve120 Hours

Case MaterialsTitanium

Bezel MaterialsCeramic

Lug MaterialsTitanium

Case BackSolid