Seiko samurai ....what can i say 4r35 movement hand wind and hacking keeps time to 1.78s a day with 320 degrees amplitude no beat error. Who need a rolex when seiko can do all this for £399 max in a case thats unique with a solid braclet with solid end links and a divers extension honestly every man needs one of the beasts in his collection all this and thats before we even get to the beautiful dial and hands and the amazingly bright and long lasting lume id say the lume on the samurai is the best iv seen even compaired to a rolex or Tudor or omega .enough siad no go buy one and my recommendation is get it through lowery because there customer service is second to non and posted from Ireland to plymouth in devon England in a day very happy thanks lowery