Grand Seiko

Stainless Steel SBGA439

Reference Number :

SBGA439

Series : Heritage

Retail: $5,000

(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 no mere timepiece; it's a wearable piece of art that reflects a heritage of craftsmanship. The deep midnight blue dial calls to mind an endless twilight sky, its depth and mystery captured under the gentle curve of sapphire crystal. Admire the smooth, silent sweep of the seconds hand, a signature of the Spring Drive movement and a reminder of time's gentle passage, unlike the harsh tick of quartz. The polished stainless steel case and bracelet provide a striking contrast to the dial's richness. Flip it over, and you'll find a window to the soul of this beauty: the Caliber 9R65, meticulously crafted and humming with a 72-hour power reserve. Feel the weight on your wrist, a comforting heft that speaks to its solid construction. This is not just a watch; it's a conversation starter, a symbol of refined taste, and a daily reminder of the beauty found in precision.

DescriptionThe Grand Seiko SBGA439, part of the prestigious Heritage Collection, is encased in stainless steel, rendering it both durable and aesthetically pleasing. The case measures 40.0mm in diameter, with a lug-to-lug distance of 46.6mm and a thickness of 12.3mm, culminating in a balanced and substantial presence on the wrist. Its screw-down crown and case back contribute to a water resistance rating of 10 bar, making it suitable for everyday wear and resistant to splashes or brief immersion in water. The 9R65 Spring Drive movement powers this timepiece, offering an accuracy of ±15 seconds per month, or ±1 second per day. In addition to precise timekeeping, the watch boasts a 72-hour power reserve, displayed on an indicator discreetly placed next to the eight o’clock index. Other noteworthy features include magnetic resistance up to 4,800 A/m, a three-fold clasp with a push-button release, and a dual-curved sapphire crystal treated with an anti-reflective coating on the inner surface for enhanced legibility. The watch's bracelet has a perimeter of 203mm and a bandwidth of 20mm.

The dial is finished in a profound midnight blue, evoking the dynamic hues of a moonlit sky. This design choice enhances the visibility of the diamond-cut hands and hour markers, ensuring that they stand out with exceptional clarity. The Spring Drive movement allows for a smooth, continuous glide of the seconds hand, reflecting the natural flow of time without the traditional ticking sound associated with mechanical movements. The use of 30 jewels within the movement minimizes friction and wear, contributing to its longevity and precision. Grand Seiko's meticulous attention to detail is evident in every aspect of the SBGA439, from its polished exterior to the intricate workings of its movement. This model effectively combines traditional craftsmanship with innovative technology, a hallmark of the Grand Seiko brand.

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 BackSolid