Grand Seiko Sport Collection 2018 Mechanical Automatic 9S66 GMT Black
SBGM227
Condition: New Old Stock (NOS) — authentic, unworn, original production. Please note: factory warranty may have expired due to the item’s production date.
SBGM227 Specifications:
Movement
Caliber: 9S66
Movement Type: Automatic with manual winding capacity
Power reserve: Approx. 72 hours(3 days)
Accuracy: +5 to -3 seconds per day (when static) / +10 to -1 second per day (normal usage accuracy)
Jewel: 35
Exterior
Case Material: Stainless steel
Case Back: See-through case back
Crystal Material: Double-domed sapphire crystal
Crystal Coating: Anti-reflective coating on the inner surface
Dimensions: Diameter 39.4mm; Lug-to-lug 46.8mm; Thickness 14.1mm
Lug Width: 19mm
Clasp Type: Push-button triple-folding clasp
Strap Circumference: 210mm
Other details
Water resistance: Enhanced water resistance for daily use (10 bar)
Magnetic resistance: 4,800 A/m
Screw-down crown
24-hour hand (dual time display function)
Time difference correction linked to the date display
* Kindly note that the displayed image is either a graphic representation or a prototype and may not precisely reflect the final product. Color variations may occur due to differences in browsers, display settings, or devices used for viewing. Additionally, the case back orientation on the actual product may differ from what is shown in the photograph .