Side by side

Seiko Prospex Sea Save the Ocean Special EditionvsZelos Nova 37

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

Nova 37
ZelosNova 37
MSRP $899

At a glance

16 of 29 specs differ
Diameter
Prospex Sea Save the Ocean Special Edition45mm
Nova 3737mm
Power Reserve
Prospex Sea Save the Ocean Special Edition41h
Nova 3740h
Water Resistance
Prospex Sea Save the Ocean Special Edition200m
Nova 3750m
MSRP
Prospex Sea Save the Ocean Special Edition$625
Nova 37$899

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
45mm
37mm
Thickness
13.2mm
7mm
Lug-to-Lug
47.7mm
37mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
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
4R36
ETA 7001
Type
Automatic
Manual
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$625
$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 Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its attractive, unique, and textured dials, often described as having a "Grand Seiko feel" at a more accessible price point, with specific mentions of wave patterns, lagoon hues, and manta ray motifs. Owners appreciate the smooth bezel operation and satisfactory lume. Accuracy figures vary, with one owner reporting +5 seconds per day, while another notes a range from +1/+2 to about -6 seconds per day. The 6R35 movement offers a 70-hour power reserve, and some models feature sapphire crystals. Criticisms include a desire for exhibition casebacks and concerns about the quality and security of the stamped metal clasps and bracelets, which are frequently described as rattly or underwhelming, though this is noted as a common Seiko trait. Some owners are split on the number of Save the Ocean variations and dislike the cyclops magnifier.

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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