this beautiful timepiece is part of seiko anantas spring drive gmt collection the name of the range signifies that watches are equipped with seikos breakthrough spring drive technology the components used in the assembly of this watch total 296 this watch comes with 5r66 calibre that has 30 bearing jewels a 72 hour power reserve and a power reserve indicator have been added for increased convenience a date window is positioned at the 3 oclock mark additional functionalities include a