Side by side

Halios Seaforth IVvsGrand Seiko SBGH349

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
SBGH349
Grand SeikoSBGH349
MSRP $7,800

At a glance

10 of 29 specs differ
Diameter
Seaforth IV40mm
SBGH34940mm
Power Reserve
Seaforth IV40h
SBGH34955h
Water Resistance
Seaforth IV200m
SBGH349100m
MSRP
Seaforth IV$765
SBGH349$7,800

Full specifications

Case

4 specs
Category
Diver
Dress
Thickness
12.4mm
13mm
Lug-to-Lug
46.5mm
46.6mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Sapphire (double-domed)
Sapphire
AR Coating
Inner
Yes
Dial Color
Blue
Black

Movement

2 specs
Caliber
Sellita SW200-2
9S85
Power Reserve
40h
55h

Pricing

1 specs
MSRP
$765
$7,800

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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 Seaforth IV

Owners widely praise the Halios Sunburst Blue for its perfect 40mm size, stunning sunburst dial, and excellent lume, with one owner calling it Halios's best effort and a potential "Omega AT killer." The ETA 2824 movement is noted as running smoothly, and the watch is considered a great value with strong resale. Some owners desire larger sizes or different dial colors, and one reviewer found the Sinn 556i more versatile. The sapphire bezel is described as tall and flat, which is a point of contention for some. Overall, owners rate the Halios Sunburst Blue highly for its design, size, and value.

From video reviewers

The sunburst blue dial is a standout feature. Limited water resistance is a shared concern.

Grand Seiko SBGH349

The Grand Seiko SBGH349 "Icefall" is widely praised for its stunning, deeply finished light blue dial, sharp case lines, and lightweight 40mm titanium construction. Owners and reviewers consistently highlight its understated, over-engineered finishing and practical yet obsessive build, making it suitable for daily wear and special occasions. The 13mm thickness is noted to work well with the 40mm case size, softened by the titanium material. The watch houses the automatic hi-beat 9S85 movement, offering a 55-hour power reserve and magnetic resistance of 4,800 A/m, with accuracy rated at +5 to -3 seconds per day. One reviewer notes that while the five-row bracelet is visually impressive, its clasp lacks micro-adjustability. The Grand Seiko SBGH349 is priced at $7,400 or €8,000. Overall, owners and reviewers rate the Grand Seiko SBGH349 highly for its exceptional finishing and comfortable, lightweight titanium build.

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