Side by side

Seiko Prospex SeavsZelos Nova 37

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Prospex Sea
SeikoProspex Sea
MSRP $1,100
Nova 37
ZelosNova 37
MSRP $899

At a glance

15 of 29 specs differ
Diameter
Prospex Sea41.3mm
Nova 3737mm
Power Reserve
Prospex Sea72h
Nova 3740h
Water Resistance
Prospex Sea300m
Nova 3750m
MSRP
Prospex Sea$1,100
Nova 37$899

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
41.3mm
37mm
Thickness
12.5mm
7mm
Lug-to-Lug
48.2mm
37mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Salmon
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

4 specs
Caliber
6R55
ETA 7001
Type
Automatic
Manual
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,100
$899

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What people say

Owners + reviewers, side by side

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

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

Zelos Nova 37

Owners widely praise the Zelos Nova 37's spectacular 37mm dimensions and extremely light, thin wearability. The meteorite dial is frequently highlighted as a captivating feature, though some reviewers suggest simpler indices would improve legibility over the Arabic numerals. The watch is considered a considerable value at $1,999. On balance, owners and reviewers rate the Zelos Nova 37 highly for its excellent dimensions and dial execution at the price.

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