Serket Watch Co Reef XvsSeiko Prospex Sea
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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.
Reef X
Prospex Sea
Diameter
42.5mm
41.3mm
Lug-to-Lug
49mm
48.2mm
lowest
Thickness
12.7mm
12.5mm
lowest
Water Resistance
200m
300m
highest
Power Reserve
n/a
72h
MSRP
$399
lowest
$1,100
Movement
Miyota 8215
Seiko 6R55
Case
5 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners and reviewers widely praise the Seiko Prospex Sea for its robust build quality and fair price, with many noting its comfortable silicone strap. Some owners find the watch's size, thickness, and weight to be uncomfortable for smaller wrists, while others consider the size perfect. The consensus is that the Seiko Prospex Sea offers excellent value and build quality for its price.
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