SEIKO TUNA: Why Does This Strange Dive Watch Look Like That?

Time Will Tell

Sep 27 2026 | 00:02:45

00:00 / 00:02:45

Show Notes

Download free software at https://www.grandfatherclockchimes.com Why does the Seiko Tuna have such an unusual shrouded case? This episode explains how professional saturation-diving feedback led to Seiko’s 1975 professional diver, why the outer shroud protects the case, how titanium and sealing technology addressed harsh underwater conditions, and how the Tuna nickname grew from the watch’s distinctive cylindrical profile. Production note: Charlotte Evans is an AI-generated host using a synthetic voice.

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