Grand Seiko celebrates the 25th anniversary of Caliber 9S with two special limited editions inspired by the sky over Mt. Iwate.

Grand Seiko Heritage Collection
Caliber 9S 25th Anniversary Limited Edition: SBGH311

Caliber 9S85
Driving system: Automatic
Frequency: 36,000 vibrations per hour (10 beats per second)
Accuracy (mean daily rate): +5 to -3 seconds per day
Power reserve: 55 hours
Number of jewels: 37

Specifications
Stainless steel case and bracelet
Dual-curved sapphire crystal with anti-reflective coating
See-through screw case back
Three-fold clasp with push-button release
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Diameter: 37.0mm, Thickness: 13.3mm
Limited edition of 1,200
Recommended retail price in Canada: $8,900

Caliber 9S 25th Anniversary Limited Edition: SBGR325

Caliber 9S65
Driving system: Automatic
Frequency: 28,800 vibrations per hour (8 beats per second)
Accuracy (mean daily rate): +5 to -3 seconds per day
Power reserve: 72 hours
Number of jewels: 35

Specifications
Stainless steel case and bracelet
Dual-curved sapphire crystal with anti-reflective coating
See-through screw case back
Three-fold clasp with push-button release
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Diameter: 37.0mm, Thickness: 13.3mm
Limited edition of 1,200
Recommended retail price in Canada: $7,200