The “Tuna Can” on a more recent (and leisurely) expedition in Cabo Pulmo, Mexico. GISHANI Finally, Seiko introduced a special strap for the Professional Diver’s watch, an extremely long rubber one ...

The new SBEP is not without precedent — Seiko made the H558-5009, an analog-digital hybrid version of the Tuna back in the ’80s — but this is the first time we’ve seen the watch go fully-digital.