Grand Seiko

Spring Drive Midnight SBGA375

Reference Number :

SBGA375

Series : Heritage

Retail: $5,400

(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 Grand Seiko SBGA375 is a celebration of timekeeping artistry. Gaze at the "midnight" dial and you're immediately transported to a moonlit night sky. That silently sweeping seconds hand–a hallmark of the Spring Drive movement–isn't just tracking time, it's mimicking the ceaseless, natural flow of the cosmos. It's almost poetic, isn't it? The 44GS design ethos is evident in every facet, from the razor-sharp lines of the 40mm case to the mirror-like gleam of the Zaratsu polishing. But it's not just a pretty face; the 9R65 caliber under the hood is a powerhouse, boasting a 72-hour power reserve. You've got this subtle power reserve indicator at 8 o'clock, a whisper of practicality amidst all that artistry. This isn't your typical luxury watch. It's understated, sure, but it commands attention with its quiet confidence. The SBGA375 is a connoisseur's piece, built for those who savor the subtlest details and appreciate horological innovation wrapped in timeless design.

DescriptionThe Grand Seiko Heritage Collection SBGA375 is a meticulous timepiece that represents a harmonious blend of traditional aesthetics and modern engineering. Encased in a stainless steel body that follows the esteemed 44GS design principles first introduced in 1967, the watch's exterior measures 40.0mm in diameter and 46.2mm from lug-to-lug, with a thickness of 12.5mm. The case back is a see-through and screw-down, providing a glimpse into the intricate workings of the Spring Drive movement within. This watch's dial, a deep midnight blue, serves as a striking contrast to the diamond-cut hands and indexes, which are polished to catch and reflect light. Further enhancing visibility is the dual-curved sapphire crystal protecting the dial, which features an anti-reflective coating on its inner surface. With a band width of 19mm and a total perimeter of 197mm, it includes a three-fold clasp with a push-button release for secure fastening. The SBGA375 is powered by Grand Seiko's proprietary Spring Drive caliber 9R65, an automatic movement that is accurate to within ±15 seconds per month, or ±1 second per day. It boasts a 72-hour power reserve, and the power reserve indicator is located on the bottom left of the dial, providing a practical visual cue of the watch's remaining energy.

The case is polished using the Zaratsu technique, which creates a mirror-like finish that is both refined and distortion-free. Additionally, this timepiece exhibits a magnetic resistance of 4,800 A/m and a water resistance of 10 bar, making it suitable for everyday wear and resistant to environmental factors. The watch is also equipped with a screw-down crown, an essential feature for maintaining water resistance and adding an extra layer of protection. The Spring Drive movement's smooth-gliding second hand is a unique signature, symbolizing the continuous flow of time. It is highlighted against the Deep Blue dial, which, combined with the case's elegant radiance, achieves both visibility and a tasteful aesthetic. Containing 30 jewels, the movement is designed to minimize friction and ensure longevity. Weighing 148 grams, the SBGA375 balances presence with comfort on the wrist. This watch presents a seamless combination of form and function, appealing to both connoisseurs and those who appreciate fine craftsmanship.

GenderMen

SignaturesGrand Seiko

Country of OriginJapan

Case Size40 mm

MovementAutomatic

Caliber9R65

FunctionsHours, Minutes, Seconds, Date, Power Reserve

Power Reserve72 Hours

Case MaterialsStainless Steel

Bezel MaterialsStainless Steel

Lug MaterialsStainless Steel

Case BackSapphire Crystal