Side by side

Halios Seaforth IVvsRolex Sea-Dweller

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
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.

Rolex Sea-Dweller

Owners widely praise the Rolex Sea-Dweller's matte dial with red lettering, with some calling it the best dial on a modern Rolex. The watch is noted for its substantial presence, with some owners appreciating its "chunkiness" and "clean look," while others find it wears smaller than its 43mm size suggests. The Sea-Dweller is considered by some to be a superior, more masculine dive watch than alternatives. However, the watch's thickness and 215-gram weight are frequently cited as potential drawbacks, making it best suited for larger wrists. Some owners find the cyclops on newer models detracts from the watch's aesthetic, with one reviewer calling it "goofy." The Sea-Dweller is also considered less versatile and popular than other models due to its size and thickness. Overall, owners rate the Rolex Sea-Dweller highly for its distinct dial and substantial presence, though its size and thickness make it a niche choice for those with larger wrists.

At a glance

18 of 29 specs differ
Diameter
Seaforth IV40mm
Sea-Dweller43mm
Power Reserve
Seaforth IV40h
Sea-Dweller70h
Water Resistance
Seaforth IV200m
Sea-Dweller1,220m
MSRP
Seaforth IV$765
Sea-Dweller$14,550

Full specifications

Case

8 specs
Diameter
40mm
43mm
Thickness
12.4mm
Lug-to-Lug
46.5mm
Lug Width
20mm
Material
Titanium
Oystersteel
Finish
Brushed and polished
Water Resistance
200m
1220m
Caseback
Solid
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

5 specs
Crystal
Sapphire (double-domed)
Sapphire
AR Coating
Inner
Dial Color
Blue
Black
Indices
Applied
Index
Lume
None
Chromalight

Movement

4 specs
Caliber
Sellita SW200-1
3235
Power Reserve
40h
70h
Jewels
25
31
Complications
None
Date

Pricing

1 specs
MSRP
$765
$14,550
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