Turn the watch around, and you’ll find the Beams logo printed in black in the center of the screw-down caseback’s Hardlex exhibition window. The movement on display, of course, is the rugged Seiko Cal ...

That means robust tool-watch capabilities and more premium features and finishing than you’ll find on Seiko 5 models. In this case, we’ve got a 6R55 automatic movement complete with a full three days’ ...

The watches are both powered by Seiko’s own 4R35 automatic mechanical movement, which has up to 40 hours of power reserve. Two dis options are available, with case diameters of 30.3 mm and 40.5 mm.

Get About Time, Esquire’s free newsletter devoted to the watch world, in your inbox every Sunday. Sign up here There is some functional purpose behind the polygon bezel on Seiko's new watch ...