Introducing: The Next Generation Of Seiko’s Prospex ’20MAS’ – Now Smaller And With A New Movement (SPB453, SPB451 & SPB455) Refining Seiko’s hit diver for 2024 with new proportions, deeper depths, and a new position for the date. Continue reading ‘Introducing: The Next Generation Of Seiko’s Prospex ’20MAS’ – Now Smaller And With A New Movement (SPB453, SPB451 & SPB455)’ 0 Posted In: Uncategorized