Grand Seiko - SBGH289

Case Material

Stainless Steel

Glass Material

Sapphire crystal

Glass Coating

Anti-reflective coating on inner surface

Lumi Brite

Lumibrite on hands and index(es)

Case size

Diameter 43.8 mm

Thickness 14.7mm

Lug-to-lug 51 mm

Band Material

Stainless Steel

The Perimeter of Band

190 mm

Clasp Type

Three-fold clasp with secure lock & push button release, solid & slide adjuster

Caliber no.

9S85

Movement Type

Automatic with manual winding

Power Reserve

Approx. 55 hours

Accuracy

+5 to -3 seconds per day (mean daily rate)