Side by side

Nodus Duality IIvsSeiko Prospex Sea

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

What people say

Owners + reviewers, side by side

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

Nodus Duality II

Owners widely praise the Nodus Duality II for its refined dial construction, improved proportions, and wearability with a thinner 11.5mm case. The dual-crown functionality for movement and internal rotating bezel is a key feature, alongside 300 meters of water resistance and a durable three-link bracelet with the NodeX extension. The Miyota Cal. 9015 movement is noted, with some owners preferring Nodus finishing over alternatives. One owner finds the Nodus Duality II overpriced at $868, citing a loud rotor and lower-quality bracelet, while others argue US assembly, the movement, and the internal bezel justify the cost. On balance, owners and reviewers rate the Nodus Duality II highly for its refined design and wearability at its price point.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

At a glance

13 of 29 specs differ
Diameter
Duality II40mm
Prospex Sea41.7mm
Power Reserve
Duality II41h
Prospex Sea41h
Water Resistance
Duality II300m
Prospex Sea200m
MSRP
Duality II$875
Prospex Sea$595

Full specifications

Case

4 specs
Diameter
40mm
41.7mm
Thickness
11.5mm
12.3mm
Lug-to-Lug
48mm
49.5mm
Water Resistance
300m
200m

Crystal & Dial

5 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Box
AR Coating
Yes
Dial Color
Lume
Swiss Super-LumiNova® BGW9 Grade A
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota Cal.9015 Premium Automatic
Seiko 4R35
Power Reserve
41h
41h
Jewels
24
23

Pricing

1 specs
MSRP
$875
$595
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