Seiko Prospex SeavsZelos Mako 4
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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.

Prospex Sea

Mako 4
Diameter
41mm
40mm
Lug-to-Lug
46.9mm
n/a
Thickness
12.3mm
12.2mm
lowest
Water Resistance
200m
300m
highest
Power Reserve
70h
n/a
MSRP
$900
$599
lowest
Movement
Seiko 6R35
Miyota 9015
Case
5 specsCrystal & Dial
5 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Seiko Prospex Sea for its value and robust build, with many highlighting its excellent lume and attractive design. Some owners find the 41mm case size perfect, while others with smaller wrists consider it too large, thick, and heavy. The stock rubber strap is noted as uncomfortable for land wear by one owner. Overall, owners rate the Seiko Prospex Sea highly for its design and value at the price point.
Owners widely praise the Zelos Mako 4's dial finishing and unique bezel insert options. Reviewers note impressive case finishing for the price, with a boxed sapphire crystal and wavy dial texture contributing to a vintage aesthetic. One owner reports the crown can be difficult to grip, and the winding mechanism offers resistance when screwing it down. Accuracy figures vary, with one report of -0.3 seconds per day and another owner noting a range from +1/+2 to about -6 seconds per day. On balance, owners and reviewers rate the Zelos Mako 4 highly for its distinctive dial work and case finishing at its price point.
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