Side by side

Nodus Duality IIvsSeiko Prospex Sea The Black Series

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

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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.

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.

From video reviewers

The case finishing and dual-crown compressor design are praised. The lume brightness is considered average. Reviewers disagreed on the movement accuracy, with some noting it was regulated to +/- 8 seconds per day and others not specifying.

Seiko Prospex Sea The Black Series

The Seiko Prospex Sea The Black Series is widely praised for its impressive value and compelling design elements. Reviewers highlight the SLA073's cave-diving-inspired dial, high-quality bracelet, and the robust 8L35 movement, calling it a standout release. The SRPE33 and SRPE39 models are noted for their attractive price, manta ray decorated dials, and excellent LumiBrite lume, though bezel alignment can be inconsistent. The SNJ029 is celebrated for its dynamic, colorful aesthetic, solar charging, and comfortable strap, making it ideal for outdoor adventures. Overall, the consensus is that Seiko Prospex Sea The Black Series models offer excellent value, with specific models lauded for their unique dials, quality finishing, and practical features like solar charging.

At a glance

12 of 29 specs differ
Diameter
Duality II40mm
Prospex Sea The Black Series45mm
Power Reserve
Duality II41h
Prospex Sea The Black Series41h
Water Resistance
Duality II300m
Prospex Sea The Black Series200m
MSRP
Duality II$875
Prospex Sea The Black Series$765

Full specifications

Case

5 specs
Diameter
40mm
45mm
Thickness
11.5mm
13.2mm
Lug-to-Lug
48mm
47.7mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal Shape
Box
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Lume
Swiss Super-LumiNova® BGW9 Grade A
LumiBrite on hands, index(es) and bezel

Movement

2 specs
Caliber
Miyota 9015
Seiko 4R36
Power Reserve
41h
41h

Pricing

1 specs
MSRP
$875
$765
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