Grand Seiko 44GS 55th Anniversary Limited Edition Mechanical Hi-Beat 36000 GMT SBGJ255GCelebrating the 55th anniversary of 44GS’s first launch in 1967, the watch that first embodied the design code known as the ‘Grand Seiko Style’, today’s Grand Seiko 44GS 55th Anniversary Limited Edition Watch SBGJ255G shares the same design but the 40mm case and bracelet are crafted from high-intensity titanium, a material that is 30% lighter than steel and highly resistant to both scratches and corrosion.