Side by side

Halios Seaforth IVvsGrand Seiko SBGZ003

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
SBGZ003
Grand SeikoSBGZ003

At a glance

14 of 29 specs differ
Diameter
Seaforth IV40mm
SBGZ00338.5mm
Power Reserve
Seaforth IV40h
SBGZ00384h
Water Resistance
Seaforth IV200m
SBGZ00330m
MSRP
Seaforth IV$765
SBGZ003

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
38.5mm
Thickness
12.4mm
9.8mm
Lug-to-Lug
46.5mm
43.7mm
Lug Width
20mm
19mm
Material
Titanium
Platinum
Water Resistance
200m
30m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW200-2
9R02
Type
Automatic
Spring Drive
Power Reserve
40h
84h

Pricing

1 specs
MSRP
$765

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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 SBGZ003

Grand Seiko SBGZ003 owners and reviewers widely praise its classic 38.5mm x 9.8mm dimensions and the meticulous perfection of its craft, with some calling it the sexiest Grand Seiko ever seen. The Spring Drive caliber 9R02 offers an 84-hour power reserve. Some find the dial's color off-putting, and the $57,000 price is a significant barrier for many. On balance, owners and reviewers rate the Grand Seiko SBGZ003 highly for its stunning "carved" dial and Micro Artist Studio finishing.

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