All versions, regardless of reference, sport 40.5mm wide steel cases that have Seiko “super hard coating” along with 200-meters water resistance, a double domed and anti-reflective sapphire crystal, and Seiko’s LumiBrite lume. Timekeeping is managed by the Seiko 6R35 automatic, which ticks at 21,600 vph and offers hacking, hand-winding, and a power reserve of 70 hours. For the price point, these are solid specs and, speaking personally, I’m so excited to see these in person as that 62MAS and its skin diver-esque case is so good on the wrist (and keep in mind that the SLA017 measured ~46mm lug to lug). On paper, these new models look really, really promising.