Chronotechna SeaQuest DivevsSeiko 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.
SeaQuest Dive
Prospex Sea
Diameter
42mm
41.7mm
Lug-to-Lug
47.7mm
lowest
49.5mm
Thickness
12.4mm
12.3mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
41h
41h
MSRP
n/a
$595
Movement
Sellita SW200-1
Seiko 4R35
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.
The Chronotechna SeaQuest Dive is commended for its distinctive "blackest black" dial, achieved with Musou paint for striking contrast, and its minimalist design that sidesteps common diver watch clichés. The watch is equipped with a Sellita SW200-1 automatic movement, a 42mm steel case featuring both brushed and polished finishes, a unidirectional ceramic bezel, and 300m water resistance. However, one owner notes that the cut-out edges of the sandwich dial appear rough, suggesting potential quality control issues with dial finishing. Overall, owners and reviewers appreciate the Chronotechna SeaQuest Dive for its unique dial and design, despite some concerns about dial finishing.
Owners widely report the Seiko Prospex Sea is a well-built watch at a fair price, with some finding its 41.7mm case size perfect while others with smaller wrists consider it big, thick, and heavy. Reviewers consistently praise the excellent lume and robust design. One owner notes the bezel action is smoother and more precise than some other Seiko divers. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its value and proven design.
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