Something special for someone special
Due to Nomination Italy Policy, the base bracelet is not a finished bracelet and cannot be sold individually. It is to be used to finish a Composable bracelet that must have at least one precious decorated link. To purchase this Nomination Base Bracelet, you must add at least one precious decorated link to your shopping cart.
The Grand Seiko Heritage SBGA437 features a classic design with a silken sunray dial celebrating the silk-producing heritage of the Shinshu region. The delicate texture is achieved through a specialized silver plating process that catches light effortlessly from every angle.
Powered by the innovative Spring Drive Caliber 9R65, the seconds hand glides in a smooth, continuous motion across the dial without ticking. It offers an impressive 72-hour power reserve clearly tracked by an indicator near the eight o'clock marker.
Crafted in durable stainless steel with a dual-curved sapphire crystal, this timepiece offers exceptional precision rated at ±15 seconds per month alongside 10 bar water resistance.
| Brand | Grand Seiko |
| Collection | Heritage Collection |
| Model Number | SBGA437 |
| Department | Men's |
| Movement Type | Spring Drive |
| Caliber | 9R65 |
| Case Material | Stainless steel |
| Case Diameter | 40.0 mm |
| Lug-to-Lug | 46.6 mm |
| Thickness | 12.3 mm |
| Band Width | 20 mm |
| Band Perimeter | 203 mm |
| Glass Material | Dual-curved sapphire crystal |
| Glass Coating | Anti-reflective coating on inner surface |
| Clasp Type | Folding clasp with push button release |
| Power Reserve | Approx. 72 hours (3 days) |
| Accuracy | ±15 seconds per month (±1 second per day) |
| Water Resistance | 10 bar |
| Magnetic Resistance | 4,800 A/m |
| Jewels | 30 jewels |
| Features | Screw case back, screw-down crown, power reserve indicator |
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