Invicta Pro Diver 23678vsSerket Watch Co Reef Mariana
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Pro Diver 23678

Reef Mariana
Diameter
40mm
40mm
Lug-to-Lug
n/a
47.5mm
Thickness
n/a
13.2mm
Water Resistance
200m
200m
MSRP
n/a
$449
Movement
Seiko NH35
Seiko NH35
Case
2 specsCrystal & Dial
3 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Invicta Pro Diver 23678 for its exceptional value, with its 40mm case size frequently noted as a comfortable fit. The Seiko NH35 automatic movement is a standard feature, and the watch includes a screw-down crown and 200m water resistance. While one owner reports a loose, non-clicking bezel and significant time loss, another owner specifically praises the bezel's 120 clicks and satisfying feel. The luminescence is considered poor by one owner, though the exhibition caseback is a noted feature. Overall, owners rate the Invicta Pro Diver 23678 highly for its strong value proposition and capable build at its price point.
Owners widely praise the Serket Watch Co Reef Mariana for its excellent value, citing the sapphire crystal, ceramic bezel, and reliable Seiko NH35 automatic movement at its price point. Some owners note the bezel turns too easily and suggest the lume could be stronger. Overall, owners rate the Serket Watch Co Reef Mariana highly for its eye-catching dial and bezel combination and strong feature set for the price.
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