Grand Seiko Heritage Collection 44GS Automatic with Manual Winding Hi-Beat 36000 40mm Watch Transparent Caseback and a custom-designed rotor

and a custom-designed rotor

evoking the serenity of the night sky

Dual-Curved Sapphire Crystal: The watch features dual-curved sapphire crystal with an anti-reflective coating on the inner surface for improved clarity

vital for divers and sports enthusiasts

while the push-piece opening mechanism enhances ease of use

Grand Seiko Heritage Collection 44GS Automatic with Manual Winding Hi-Beat 36000 40mm Watch Transparent Caseback and a custom-designed rotorGrand Seiko 44GS Specifications: Material: Ever Brilliant Steel (Bright and Corrosion Resistant Stainless Steel) Caseback: Ever Brilliant Steel and Sapphire Crystal Exterior Glass: Sapphire Crystal with Anti Reflective Coating on Inner Surface Case Size: Diameter 44. 5mm, Lug to lug 51. 2mm, Thickness 14. 4mm Bracelet: Ever Brilliant Steel with Three Fold Clasp Caliber: 9SA5 Automatic with Manual Winding Movement Power Reserve: Approx. 80 hours (3