Overview
SBGA229 is a “flagship diver” with 200m water resistance, a rugged steel exterior, and a legible Spring Drive-powered display. It’s the go-to Grand Seiko for professional divers and collectors who need robust aquatic performance combined with beautiful finishing.
Product Image
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Official Description
A true professional diver’s watch, with outstanding visibility, 200m water resistance, luminous markers, and a 72-hour Spring Drive movement. The SBGA229 is crafted for reliability, precision, and stunning Zaratsu-polished finishing—even underwater.
Product Specifications
| Feature | Value |
|---|---|
| Model Number | SBGA229 |
| Series | Sport Collection |
| Case Material | Stainless steel |
| Case Diameter | 44.2 mm |
| Case Thickness | 14.0 mm |
| Lug Width | 21 mm |
| Lug-to-Lug | 50 mm |
| Crystal | Sapphire, AR coated |
| Bracelet/Strap | Stainless steel bracelet |
| Water Resistance | 200 meters (20 bar) |
| Magnetic Resistance | 4,800 A/m |
| Weight | 205g |
| Clasp | Three-fold clasp with extension |
| Caseback | Solid, screw-down |
Movement Details
| Specification | Value |
|---|---|
| Movement | Spring Drive, Caliber 9R65 |
| Type | Automatic with manual winding |
| Power Reserve | ~72 hours (3 days) |
| Accuracy | ±1 second per day / ±15 sec per month |
| Jewels | 30 |
| Features | Date, Power reserve indicator |
Frequently Asked Questions
Is the SBGA229 ISO-certified for diving?
Yes, engineered to meet or exceed ISO 6425 diver standards.
Does it come with an extension for wetsuits?
Yes, the clasp integrates a diver’s extension for wetsuit use.
Are the hands/markers luminous?
Bright, long-lasting lume ensures instant legibility underwater.
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