Side by side

Nodus Duality IIvsSeiko Prospex Sea 1965 Heritage Diver's Watch

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.

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 1965 Heritage Diver's Watch

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its refined engineering and updated features, including a 300m water resistance and a 72-hour power reserve from the Caliber 6R55 movement in a 40mm case. Owners note its better build quality and interesting finishing with a mix of polished and brushed surfaces. The "Tranquil Teal" variant features a jewel-toned dial with a rippling-water pattern. However, some owners consider the price too high, and concerns exist regarding the accuracy of the 6R movements, with some reporting theirs run slow. One review notes a reflective dial that impacts legibility. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and improved specifications over previous generations, despite some reservations about movement accuracy and price.

At a glance

9 of 29 specs differ
Diameter
Duality II40mm
Prospex Sea 1965 Heritage Diver's Watch40mm
Power Reserve
Duality II41h
Prospex Sea 1965 Heritage Diver's Watch72h
Water Resistance
Duality II300m
Prospex Sea 1965 Heritage Diver's Watch300m
MSRP
Duality II$875
Prospex Sea 1965 Heritage Diver's Watch$1,300

Full specifications

Case

2 specs
Thickness
11.5mm
13mm
Lug-to-Lug
48mm
46.4mm

Crystal & Dial

4 specs
Crystal Shape
Box
Curved
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 Cal.9015 Premium Automatic
6R55
Power Reserve
41h
72h

Pricing

1 specs
MSRP
$875
$1,300
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