Astron GPS Solar Sapphire Blue Crystal Box - SSJ013J1 25200042 Made of carbon fiber-reinforced fine

Made of carbon fiber-reinforced fine resin for a thinner

18 kt yellow gold bezel set with brilliant-cut diamonds

punctuated with a second indicator and two green chronograph counters

this Calvin Klein watch offers a minimalistic design and multifunction with a classic round metal case for men

Astron GPS Solar Sapphire Blue Crystal Box - SSJ013J1 25200042 Made of carbon fiber-reinforced fineThis timepiece is named for its crystal box pressed dial pattern inspired by the legacy of the original Seiko Astron and its association with Quartz crystals, being the first ever quartz powered watch launched in the world back in 1969. The name also refers to the box shaped sapphire crystal glass found on several Seiko designs a scratch resistant raised glass with impressive clarity which sits slightly proud from the bezel giving modern legibility