Hamilton Jazzmaster Open Heart Automatic 42 MM Green Dial Watch H32705560 Seiko And the case back features

And the case back features a screw-lock construction to ensure a tight seal

With specs that span 200 m water resistance and ISO 1413 certified shock resistance and its lightweight carbon composite case

Conquer even more terrain with enhanced support — A rugged timepiece in a bold

The numbers 19

Hamilton Jazzmaster Open Heart Automatic 42 MM Green Dial Watch H32705560 Seiko And the case back featuresOffering a glimpse of its powerful inner mechanics, the Jazzmaster Open Heart lets precision take center stage with a new 42mm dial. Featuring a stunning gradient colour effect in rich green, this timepiece reveals its subtle beauty and showcases Hamilton's ever evolving craftsmanship and attention to detail. Bringing the H 10 automatic movement into the spotlight, with an 80 hour power reserve and Nivachron balance spring, the Jazzmaster Open Heart