Best Grand Seiko Sport Replica Watch Spring Drive 3days model SBGA481

Exterior
Exterior: High-intensity titanium
Case back: See-through & Screw case back
Glass Material: Dual-curved sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
LumiBrite: LumiBrite on hands, index(es) and bezel
Case size: Diameter 44.5mm Lug-to-lug 50.0mm Thickness 14.3mm
Band width: 23mm
Clasp type: Three-fold clasp with secure lock & push button release, solid & slide adjuster
The perimeter of Band: 201mm
Movement
Caliber no.: 9R65 Instructions
Movement Type: Spring Drive
Power reserve: Approx. 72 hours(3 days)
Accuracy: ±15 seconds per month (±1 second per day)
Functions
Water resistance: 20 bar
Magnetic resistance: 4,800 A/m
Weight: 148 g
Other details / Features:
Screw-down crown
Three-fold clasp with secure lock
30 jewels
Power reserve indicator