Introducing: Seiko Announces More Dive-GMTs With The Prospex GMT SPB381, SPB383, and SPB385 Not just more, but we’re talking a higher-spec Dive-GMT with a brand new movement. Continue reading ‘Introducing: Seiko Announces More Dive-GMTs With The Prospex GMT SPB381, SPB383, and SPB385’ 0 Posted In: Uncategorized