Redwood Watches Marine EngineervsSeiko 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.

Marine Engineer

Prospex Sea
Diameter
40mm
43.8mm
Lug-to-Lug
n/a
48.7mm
Thickness
13.7mm
12.8mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
42h
highest
41h
MSRP
$439
lowest
$625
Movement
Seiko NH38
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.
Owners widely praise the Redwood Watches Marine Engineer for its exceptional value, particularly noting the sapphire crystal and durable case construction. The bezel action is described as tight and grippy with no back play, and the lume is reported to mellow nicely after an initial bright glow. One owner expressed a desire for a different movement than the Miyota 82S0. Overall, owners rate the Redwood Watches Marine Engineer highly for its robust build and impressive features at its price point.
The Seiko Prospex Sea is widely praised for its excellent value as a sport watch, with owners highlighting its comfortable wearability and generous lume. Reviewers note its solid build quality and attractive design, with some specifically mentioning the matte black dial as a strong point. One owner reports accuracy around +1 to +2 seconds per day. The 43.8mm case size is considered substantial by some, and one owner found the watch heavy and thick, regretting not choosing a different variant. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its blend of classic design and modern utility at an accessible price point.
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