In full transparency the specs and price should be noted
Grand Seiko Kodo Constant-force Tourbillon: SLGT003
Caliber 9ST1
Driving system: manual-winding
Vibrations: 28,800 vibrations per hour (8 beats per second)
Accuracy: +5 to -3 seconds per day (when static for 48 hours)
Power reserve: 72 hours
Number of jewels: 44
Constant-force Tourbillon
(Constant-force: 50 Hours)
Diameter: 35.0mm, Thickness: 7.98mm
Specifications
Platinum 950 and Brilliant Hard Titanium case
Box shaped sapphire crystal with anti-reflective coating
See-through case back
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Diameter: 43.8mm, Thickness: 12.9mm
Calf strap with Platinum 950 three-fold clasp with push button release
Double-sided crocodile strap included
Approximate recommended retail price in Europe: €370,000
Limited edition of 20