Side by side

Halios Universa IIvsSeestern S456 GMT

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

Universa II
HaliosUniversa II
MSRP $995
S456 GMT
SeesternS456 GMT
MSRP $299

At a glance

15 of 29 specs differ
Diameter
Universa II38mm
S456 GMT41mm
Power Reserve
Universa II40h
S456 GMT41hh
Water Resistance
Universa II100m
S456 GMT200m
MSRP
Universa II$995
S456 GMT$299

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
38mm
41mm
Thickness
11.8mm
13mm
Lug-to-Lug
48mm
49mm
Finish
Brushed and polished
Brushed + Polished
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Sapphire (double-domed)
Sapphire
Dial Color
Gold
Sunray style, applied and Diamond cut Indices, C1 lume
Lume
None
C1

Movement

5 specs
Caliber
Sellita SW300-1
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
41hh
Jewels
25
24
Complications
None
GMT

Pricing

1 specs
MSRP
$995
$299

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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.

Halios Universa II

Owners widely praise the Halios Universa II for its applied indices, excellent finishing for the price, and comfortable 38mm dimensions. The integrated bracelet design with a satisfying micro-adjust clasp and case architecture are described as masterclasses. However, some find the bracelet clasp chunkier than the overall design, and the angular lug design is noted as not being for everyone. One owner reported unexpected pastel dial colors and a poor winding action. On balance, owners rate the Halios Universa II highly for its applied indices and excellent finishing at the price point.

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.

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