Created a faux natural habitat for [Seiko SPB097] “Twilight Blue” Special edition. No water involved though. I don't have the courage yet to submerge this baby marine master in deep waters 😀 :
Seiko Twilight Blue 1968 Prospex 200M SPB097 SPB097J1 6R15
Seiko - Prospex "Twilight Blue" Special Edition SPB097J1 | Time and Watches | The watch blog