Side by side

Nodus Duality IIvsSerica Réf. 5303

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.

Serica Réf. 5303

Owners widely praise the Serica Réf. 5303 for its unique neo-vintage design, sophisticated aesthetics, and excellent finishing, with many highlighting the smooth winding action and the tactile quality of the bezel click as industry-benchmark. The 39mm case is frequently cited as well-proportioned and wearable, especially for smaller wrists. Accuracy figures vary, with one owner reporting +2 seconds per day and another +5.5 seconds per day, while the 42-hour power reserve was noted as a point of desire for longer duration. Some owners have reported significant quality control issues, including dial shifting, non-functional hacking, and misaligned or jammed bezels, with concerns also raised about the Soprod movement and the manufacturer's communication. Overall, owners rate the Serica Réf. 5303 highly for its distinctive design and refined finishing, despite some significant quality control concerns raised by a few.

From video reviewers

The COSC and Grand Chronomètre Serica® certifications are a significant strength. No shared weaknesses were identified.

At a glance

11 of 29 specs differ
Diameter
Duality II40mm
Réf. 530339mm
Power Reserve
Duality II41h
Réf. 530342h
Water Resistance
Duality II300m
Réf. 5303300m
MSRP
Duality II$875
Réf. 5303$1,857

Full specifications

Case

4 specs
Category
Diver
Diameter
40mm
39mm
Thickness
11.5mm
12.2mm
Lug-to-Lug
48mm
46.5mm

Crystal & Dial

3 specs
Crystal Shape
Box
AR Coating
Yes
Lume
Swiss Super-LumiNova® BGW9 Grade A
None

Movement

3 specs
Caliber
Miyota 9015
Soprod M100
Power Reserve
41h
42h
Jewels
24
0

Pricing

1 specs
MSRP
$875
$1,857
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