Grand Seiko Heritage Collection Spring Drive 5-Days Power Reserve 40mm Watch 44GS 55th Anniversary Limited Edition of 550 Pieces Transparent Caseback allowing you to effortlessly keep

allowing you to effortlessly keep track of time in two different time zones

you’ll find recessed hour markers and open numerals with Super-LumiNova

This Spring Drive chronograph showcases state-of-the-art precision in measuring both time of day and elapsed time

The look is enhanced with a supple black leather strap for a rich elegance that will stand out

Grand Seiko Heritage Collection Spring Drive 5-Days Power Reserve 40mm Watch 44GS 55th Anniversary Limited Edition of 550 Pieces Transparent Caseback allowing you to effortlessly keepGrand Seiko 44GS 55th Anniversary Limited Edition Specifications: Material: Ever Brilliant Steel (Corrosion Resistant Stainless Steel with Brilliant White Hue) Caseback: Ever Brilliant Steel and Sapphire Crystal Glass: Box Shaped Sapphire Crystal with Anti Reflective Coating on Inner Surface Case Size: Diameter 40. 0mm, Lug to lug 47. 4mm, Thickness 12. 1mm Band Width: 19mm Caliber: 9RA2 Spring Drive Movement Power Reserve: Approx. 120 hours (5 days)