

The modern versions are also in stainless steel cases, with 200m water resistance and a hardened coating. Case dimensions are slightly bigger than the "faithful reproduction," at 42.6mm x 13.8mm. Inside they have Seiko's workhorse caliber 6R15, running at 21,600 vph, with a 50 hour power reserve, and both are antimagnetic to 4,800 A/m (amperes per meter).
Pricing has been announced at €1,100 (about $1186) for SPB051, and €900 (about $971) for SPB053.