Grand Seiko Evolution 9 40mm
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The Grand Seiko SLGH005 draws inspiration from the white birch forests surrounding the Shizukuishi studio, capturing their serene beauty and the quiet passage of time in its textured dial. Designed in the Evolution 9 Style, it features bold hands, prominent grooved markers for exceptional legibility, and a case that alternates between Zaratsu-polished mirror surfaces and delicate hairline finishes for a refined glow. Its broad lugs and low center of gravity offer superior comfort on the wrist. At its heart is the high-beat Caliber 9SA5, delivering enhanced energy efficiency and an impressive 80-hour power reserve.
Grand Seiko Watch Warranty
The period of the Grand Seiko worldwide warranty is five years from the date of purchase.
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Shipping & Returns
Free FEDEX overnight shipping on all Grand Seiko watches. Our return policy is 10 days for your money back, or 30 days to exchange.
Technical information about this watch
Grand Seiko Evolution 9 40mm

100M / 10 ATM water resistance
Water resistance indicates a watch's ability to withstand moisture and water. Ratings are measured in metres (M) or atmospheres (ATM). For instance, 30M (3 ATM) is suitable for light splashes, while 100M (10 ATM) and above are ideal for swimming and diving. Regular maintenance helps retain water resistance over time.

GS Calibre 9SA5 Automatic winding

40mm case size
Case size, measured in millimetres (mm), impacts the watch's look and fit. Men's watches typically range from 38mm to 46mm, and women's from 26mm to 36mm. Larger cases make a bold statement, while smaller cases offer a classic look. Choosing the right size ensures comfort and style.

80 hours power reserve
Power reserve is the duration a watch runs on a full wind or charge. Mechanical watches usually offer 40 to 80 hours, with some extending to several days. Quartz watches, powered by batteries, last several years. Knowing the power reserve helps maintain accurate timekeeping.
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