Side by side

Halios Seaforth IVvsOrient Bambino Open Heart

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
Bambino Open Heart
OrientBambino Open Heart
MSRP $315

At a glance

17 of 29 specs differ
Diameter
Seaforth IV40mm
Bambino Open Heart40.5mm
Power Reserve
Seaforth IV40h
Bambino Open Heart40h
Water Resistance
Seaforth IV200m
Bambino Open Heart30m
MSRP
Seaforth IV$765
Bambino Open Heart$315

Full specifications

Case

8 specs
Category
Diver
Diameter
40mm
40.5mm
Thickness
12.4mm
12mm
Lug-to-Lug
46.5mm
46mm
Lug Width
20mm
21mm
Material
Titanium
Stainless Steel
Water Resistance
200m
30m
Caseback
Solid
Display

Crystal & Dial

5 specs
Crystal
Sapphire (double-domed)
Mineral
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Blue
White
Indices
Applied

Movement

3 specs
Caliber
Sellita SW200-2
FT622
Beat Rate
28,800 vph
21,600 vph
Jewels
25
22

Pricing

1 specs
MSRP
$765
$315

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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.

Orient Bambino Open Heart

Owners widely praise the Orient Bambino Open Heart for its dressy style, clean dial, and reliable in-house F6724 automatic movement with hacking and hand-winding. Reviewers and owners highlight its value proposition, with one owner noting it remains a regular wear even after acquiring pricier watches. Some owners find the build quality and stock strap less premium, with one noting the mineral crystal is prone to scratching and another that the movement can be noisy. The 21mm lug width is cited as making strap swapping slightly more complicated. Overall, owners and reviewers rate the Orient Bambino Open Heart highly for its dressy aesthetic and in-house movement at its price point.

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