Invicta Pro Diver Women's Watch vs Invicta Pro Diver 8928OB

These are the same Pro Diver family at opposite ends of the size and movement scale. The women's 8939 is a small 24.5 mm quartz watch with a mineral crystal and 100 m rating; the men's 8928OB is a 40 mm automatic with a Seiko NH35A, 200 m water resistance and a screw-down crown. Buy the 8939 for a slim, light everyday watch on a smaller wrist; buy the 8928OB if you want a mechanical movement, real dive-watch water resistance and more presence on the wrist. Owners of the 8928OB rate it well for the movement and look, but both share Invicta's known weak spots: mineral crystals that scratch and inconsistent quality control.

• Choose the Invicta Women's Pro Diver if you want a small, light quartz watch that sits flat under a cuff and needs no winding.
• Choose the Invicta Men's 8928OB Pro Diver if you want an automatic movement, 200 m water resistance and a screw-down crown in a classic two-tone dive style.