Seiko Prospex SeavsZelos Helmsman 3

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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.

Seiko Prospex Sea at true scale

Prospex Sea

Zelos Helmsman 3 at true scale

Helmsman 3

Diameter

41mm

40mm

Lug-to-Lug

46.9mm

n/a

Thickness

12.3mm

11.5mm

lowest

Water Resistance

200m

200m

Power Reserve

70h

n/a

MSRP

$900

$529

lowest

Movement

Seiko 6R35

Miyota 9015

Case

4 specs
Diameter
41mm
40mm
Thickness
12.3mm
11.5mm
Lug-to-Lug
46.9mm
n/a
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
n/a
AR Coating
Anti-reflective coating on inner surface
n/a
Dial Color
n/a
SS - Frost
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
Seiko 6R35
Miyota 9015
Power Reserve
70h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$900
$529
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Sea

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.

Zelos Helmsman 3

Owners widely praise the Zelos Helmsman 3 for its beautiful and unique dials, with many highlighting the quality and finishing on the titanium case, which some feel is nicer than previous models. The brushed beads of rice bracelet is noted as fitting well, and the on-the-fly clasp is considered amazing. Specific dials like the Titanium Crystalline and Damascus Titanium are frequently mentioned as aesthetically pleasing and head-turning. The watch is also praised for its great lume and value for money. However, some owners report the watch can feel top-heavy and have sharp edges, making it less ideal as a daily driver for some. One owner found the meteorite bezel did not add significant value, and the stock strap's keepers and stitching detracted from the watch's appearance. Overall, owners rate the Zelos Helmsman 3 highly for its unique dial designs and excellent finishing at its price point.

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