Grand Seiko Elegance GMT "Moondrop"
Ref. SBGM257current
What is the Grand Seiko Elegance GMT "Moondrop"?
Grand Seiko Elegance GMT "Moondrop" SBGM257 Automatic watch features a 39.5mm stainless steel case surrounding a blue "Moondrop" dial on a blue crocodile leather strap with a three-fold clasp with push button release. This watch is powered by caliber 9S66. Functions include hours, minutes, seconds, & date. This watch is splash resistant to 30m. The 1916 Company is an authorized dealer for Grand Seiko and this watch includes the full manufacturer's warranty.
VerifiedUpdated 2026-03-18
Case Details
| Diameter Mm | 39.5 mmmedium |
| Thickness Mm | Unknownlow |
| Lug To Lug Mm | Unknownlow |
| Material | Stainless Steelmedium |
| Shape | Roundmedium |
| Bezel | Stainless Steelmedium |
| Crystal | Sapphiremedium |
| Caseback | Exhibitionmedium |
| Water Resistance M | 30 mmedium |
Diameter Mm
39.5 mmmedium
Thickness Mm
Unknownlow
Lug To Lug Mm
Unknownlow
Material
Stainless Steelmedium
Shape
Roundmedium
Bezel
Stainless Steelmedium
Crystal
Sapphiremedium
Caseback
Exhibitionmedium
Water Resistance M
30 mmedium
Movement
| Caliber | 9S66.medium |
| Manufacturer | Grand Seikolow |
| Winding | Automaticmedium |
| Frequency Vph | Unknownlow |
| Power Reserve Hours | Unknownlow |
| Complications | Anti-Magnetic, Date, Gmt/World Time, Hours And Minutes, Secondsmedium |
| Base Caliber Notes | Unknownlow |
Caliber
9S66.medium
Manufacturer
Grand Seikolow
Winding
Automaticmedium
Frequency Vph
Unknownlow
Power Reserve Hours
Unknownlow
Complications
Anti-Magnetic, Date, Gmt/World Time, Hours And Minutes, Secondsmedium
Base Caliber Notes
Unknownlow
Dial
| Color | Bluemedium |
| Marker Style | Indexmedium |
Color
Bluemedium
Marker Style
Indexmedium
Strap & Bracelet
| Type | Braceletmedium |
| Material | Crocodilemedium |
| Clasp | Folding Bucklemedium |
Type
Braceletmedium
Material
Crocodilemedium
Clasp
Folding Bucklemedium
Key Specifications
Diameter39.5 mm mm
ThicknessUnknown mm
Water Resistance30 m m
Movement9S66.
Power ReserveUnknown hrs
MSRP$5,400
MSRP
$5,400
fixed
Buy for $5,400
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