Challenge Thirty6 Jetliner Ps Black Steel/5N Comp/Black Dial A00103.3602002 Patina Potential The oil immersion concept and

The oil immersion concept and the soleil treatment in the smaller size of 40 mm

This model includes a date function and a see-through case back that reveals the mesmerizing mechanics at work

To mark the 60th anniversary of Seiko diving watches

The movement boasts an impressive 80 hours power reserve when most automatic movements have a power reserve of around 40 hours

A perfect balance between heritage and minimalism: the iconic bayonet crown

Challenge Thirty6 Jetliner Ps Black Steel/5N Comp/Black Dial A00103.3602002 Patina Potential The oil immersion concept andCvstos CHALLENGE THIRTY6 JETLINER PS BLACK STEEL 5N COMP BLACK DIAL, Cvstos CVS410 caliber, Black PVD treatment or rhodiated, Self winding mechanical, Skeletonized, with function: Date, Hour, minute.