Seiko Essentials Collection Watch SUR311 Seiko Core having been a part of

having been a part of all six lunar missions

This 41 mm model has a symmetrical stainless-steel case with a screw-in caseback featuring a wave-edged design

Crafted of stainless steel in a rich two-tone finish

while the other markings

the dial is framed by a black ceramic uni-directional rotating elapsed timing bezel

Seiko Essentials Collection Watch SUR311 Seiko Core having been a part ofFrom the Essentials Collection. With classic dress sport styling, this perfectly tailored design combines sophisticated minimalism with versatility. The rich black dial features a date calendar and LumiBrite hands. In stainless steel, with sapphire crystal for superior scratch resistance. 10 bar, 100M Water Resistant