Side by side

Halios Seaforth IVvsGrand Seiko SBGD201

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
SBGD201
Grand SeikoSBGD201

At a glance

14 of 29 specs differ
Diameter
Seaforth IV40mm
SBGD20143mm
Power Reserve
Seaforth IV40h
SBGD201192h
Water Resistance
Seaforth IV200m
SBGD201100m
MSRP
Seaforth IV$765
SBGD201

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
43mm
Thickness
12.4mm
13.2mm
Lug-to-Lug
46.5mm
51.8mm
Lug Width
20mm
22mm
Material
Titanium
Platinum
Water Resistance
200m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW200-2
9R01
Type
Automatic
Spring Drive
Power Reserve
40h
192h

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 SBGD201

Grand Seiko SBGD201 owners and reviewers praise its stellar platinum case with Zaratsu polishing and diamond-dust dial, with one reviewer calling it the most beautiful Grand Seiko they have seen. Its Spring Drive caliber 9R01 movement offers an 8-day power reserve from three barrels. While some find the 43mm size too large for its design, others find the 168-gram platinum case comfortable despite its heft. Some community members note the movement finishing is simplistic for its price point and would prefer the artistic finesse of higher-end alternatives. On balance, enthusiasts and reviewers highly regard the Grand Seiko SBGD201 for its exquisite finishing and impressive technical specifications at its price.

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