Cestrian Pro Dive SeriesvsSerket Watch Co Reef X
Ref. cestrian-pro-dive-series-black-dial-silicone-strap-automatic-300m-mens-watch·MSRP $239
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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 Dive Series

Reef X
Diameter
42mm
42.5mm
Lug-to-Lug
48.5mm
lowest
49mm
Thickness
13.8mm
12.7mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
42h
n/a
MSRP
$239
lowest
$399
Movement
Miyota 8215
Miyota 8215
Case
4 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Cestrian Pro Dive Series for its exceptional value, with multiple sources highlighting its impressive finishing and specifications for the ~$150 price point. The 42mm case size and 120-click bezel are noted features. Some owners found the included silicone strap to be thick and less desirable than an aftermarket FKM strap. Overall, owners rate the Cestrian Pro Dive Series highly for its strong value proposition and competitive finishing.
Owners praise the Serket Watch Co Reef X for its tool-less bezel and bracelet swap system, allowing for frequent customization. One owner notes the watch looks great and matches images. The bezel is described as huge, comparable to the Marathon SAR. One owner found the receipt paper quality to be off. Overall, owners rate the Serket Watch Co Reef X highly for its customization features and aesthetic appeal.
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