1 / 10Lowest current Saudi-shipping offer
Estimated Saudi totals include delivery, VAT and duties where available.
Estimated total includes delivery, VAT and duty where available; final retailer or courier charges may vary.
Estimated total includes delivery, VAT and duty where available; final retailer or courier charges may vary.
Estimated total includes delivery, VAT and duty where available; final retailer or courier charges may vary.
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A concise reference view of the case, dial, bracelet and movement details buyers compare first.
| Diameter | 40.5 mm |
|---|---|
| Case length | 48.7 mm |
| Thickness | 14.7 mm |
| Lug To Lug | 48.7 mm |
| Lug width | 20 mm |
| Shape | Round |
| Weight | 172 g |
| Material | Stainless steel with ceramic bezel |
| Bezel | Fixed |
| Bezel material | Ceramic |
| Bezel insert | Green Ceramic |
| Crown | Screw-Down |
| Caseback | Solid |
| Crystal | Dual-curved sapphire crystal |
| Crystal coating | Anti-reflective coating |
| Water resistance | 20 bar / 200 m |
| Water Resistance Category | Dive |
| Magnetic resistance | 4800 A/m |
| Complications | Date, GMT, Power Reserve |
|---|---|
| Complication count | 3 |
| GMT | Yes |
| Dive watch | Yes |
| Accuracy | ±15 seconds per month |
|---|
| Dial | Green |
|---|---|
| Dial finish | Sunburst |
| Markers | Applied markers with lume |
| Date | Yes |
| Calendar | Simple |
| Lume | LumiBrite |
| Luminous display | Yes |
| Bracelet | Bracelet |
| Bracelet material | Stainless Steel |
| Clasp | Folding Clasp |
| Calibre | 9R66 |
|---|---|
| Calibre family | 9R |
| Movement | spring-drive |
| Power reserve | 72 hours |
| Jewels | 30 jewels |
| Stop Seconds | Yes |
| In House Movement | Yes |
| Gender | Men's |
|---|---|
| Production status | Active |
| Origin | Japan |
| Warranty | 3 years |
| Size category | Large |
Tracking 2 daily market snapshots since July 2026. The solid line shows the median delivered estimate and the dashed line tracks the lowest available offer.
The Grand Seiko SBGE257 brings a green sunburst dial to the Sport GMT format. Its 40.5 mm stainless-steel case is paired with a ceramic bezel and steel bracelet, while sapphire crystal, LumiBrite, and 200-metre water resistance give the compact traveller a confident practical edge. The solid case back keeps the silhouette purposeful, allowing the dial's changing green surface to carry the visual character.
Calibre 9R66 provides the underlying travel machinery: Spring Drive regulation, GMT, date, and a power-reserve indicator. The 30-jewel movement winds from a single barrel and runs for 72 hours, with accuracy stated at plus or minus one second per day. Its 32,768 Hz reference oscillator and smooth central seconds make the technical story visible in use, even though the movement itself remains behind the case back.
