Zelos Mako 300m Diver 'Sky Blue' vs Zelos Swordfish 42mm SS MOP

The Swordfish 42mm SS MOP is the value play at $429 ($100 less), while the Mako 300m Diver 'Sky Blue' wears smaller at 40 mm. Tighter budget → the Swordfish 42mm SS MOP; otherwise the Mako 300m Diver 'Sky Blue' is the pick.