https://www.exhibit.tech/watches/seiko-prospex-marinemaster-unveiled-in-collaboration-with-jamstec/
Seiko Prospex Marinemaster JAMSTEC Dive Watch Unveiled
Mar 24, 2026 - Seiko launches new Prospex Marinemaster watches with JAMSTEC, featuring Caliber 8L45, 300m water resistance, and Arctic-inspired design.
seiko prospexdive watchjamstecunveiled
https://cris.fau.de/organisations/ext/210158217/publications
Japan Agency for Marine-Earth Science and Technology (JAMSTEC) - FAU CRIS
science and technologyjapanagencymarineearth