Phoibos NarwhalvsSeiko 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.

Narwhal

Prospex Sea
Diameter
38mm
41mm
Lug-to-Lug
46mm
lowest
46.9mm
Thickness
11.5mm
lowest
12.3mm
Water Resistance
200m
200m
Power Reserve
n/a
70h
MSRP
$509
lowest
$900
Movement
Miyota 9015
Seiko 6R35
Case
3 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Phoibos Narwhal is praised for its captivating aventurine and Howlite dials, and its 38mm case is noted to wear well on smaller wrists, with one owner comparing its profile to a vintage Zenith El Primero. Some owners appreciate the brand's quality for the price, with one describing the case shape as resembling an integrated bracelet. However, criticisms include misaligned markers and a tilted date window, with one owner finding the hands to be too thick. The watch is considered by some to be overpriced at $480, with a slabby design and difficult-to-size bracelet links. Opinions are split on the 38mm size, with some finding it wears larger than expected, and the brand's logo is polarizing. Overall, owners rate the Phoibos Narwhal highly for its unique dial options and distinctive case design at its price point, despite some concerns regarding finishing consistency.
The unique stone dial is a significant strength. The bracelet's refinement is a weakness. Reviewers disagree on the dial's appeal, with one highlighting its sunburst effect and applied indices, while another focuses on the natural stone variation.
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.
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