Which is cheaper, the Seestern S456 GMT or the Nodus Unity?

At MSRP the Seestern S456 GMT is the cheaper of the two at $299, against $725 for the Nodus Unity — a $426 gap before any retailer discounting.

Which is bigger, the Seestern S456 GMT or the Nodus Unity?

The Seestern S456 GMT wears larger at 41mm versus 36.5mm for the Nodus Unity — a 4.5mm difference across the dial.

Which has better water resistance, the Seestern S456 GMT or the Nodus Unity?

The Seestern S456 GMT is rated to 200m versus 150m for the Nodus Unity.

Which has a longer power reserve, the Seestern S456 GMT or the Nodus Unity?

The Seestern S456 GMT carries a 41h-hour power reserve against 41 hours on the Nodus Unity.

What movement does the Seestern S456 GMT run compared to the Nodus Unity?

The Seestern S456 GMT runs a automatic gmt caliber (Seiko NH34), while the Nodus Unity runs a automatic (Miyota Cal.9015 Premium Automatic).

Side by side

Seestern S456 GMTvsNodus Unity

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

Seestern S456 GMT

S456

MSRP $299

Nodus Unity

unity-pearl-white

MSRP $725

At a glance

16 of 29 specs differ

Diameter

S456 GMT41mm

Unity36.5mm

Power Reserve

S456 GMT41hh

Unity41h

Water Resistance

S456 GMT200m

Unity150m

MSRP

S456 GMT$299

Unity$725

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Box

AR Coating

Inner

Yes

Dial Color

Sunray style, applied and Diamond cut Indices, C1 lume

—

Lume

Swiss Super-LumiNova® BGW9 Grade A

Movement

4 specs

Caliber

Seiko NH34

Miyota Cal.9015 Premium Automatic

Beat Rate

3 vph

28,800 vph

Power Reserve

41hh

41h

Complications

GMT

None

Pricing

1 specs

MSRP

$299

$725

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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.

Seestern S456 GMT

Owners widely praise the Seestern S456 GMT for its exceptional value and finishing that exceeds expectations, with one owner noting its accuracy surpasses that of their Seiko 5. The dial displays a pearl-like rainbow effect. Some owners would prefer a bidirectional bezel over the current unidirectional one. The Seestern S456 GMT features an NH34 movement, a 39.5mm case, sapphire crystal, and an adjustable clasp. On balance, owners rate the Seestern S456 GMT highly for its impressive finishing and value proposition at its price point.

From video reviewers

The watch features stunning, detailed finishing that is difficult to top. Reviewers did not reach a consensus on any weaknesses.

WatchUSeek

Nodus Unity

The Nodus Unity is praised for its novel design, featuring a fixed ceramic bezel and a textured sunray dial, and its slim 36.5mm case. It is powered by a Miyota 9015 movement, regulated to ±8 seconds per day, with a 41-hour power reserve and 150m water resistance. Reviewers note the well-executed bracelet with a five-position extension clasp, though its aesthetic is compromised when fully extended. Some find the dial colors may not appeal to everyone. Overall, reviewers highlight the Nodus Unity's refined yet playful sports watch aesthetic and slim wearability at its price point.

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