Side by side

Halios Seaforth IVvsLongines FLAGSHIP CLASSIC

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
FLAGSHIP CLASSIC
LonginesFLAGSHIP CLASSIC
MSRP $2,350

At a glance

20 of 29 specs differ
Diameter
Seaforth IV40mm
FLAGSHIP CLASSIC40mm
Power Reserve
Seaforth IV40h
FLAGSHIP CLASSIC72h
Water Resistance
Seaforth IV200m
FLAGSHIP CLASSIC30m
MSRP
Seaforth IV$765
FLAGSHIP CLASSIC$2,350

Full specifications

Case

8 specs
Category
Diver
Dress
Thickness
12.4mm
8.7mm
Lug-to-Lug
46.5mm
47mm
Lug Width
20mm
21mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
30m
Caseback
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
Sellita SW200-2
L888.5
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$765
$2,350

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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.

Longines FLAGSHIP CLASSIC

Owners widely praise the Longines FLAGSHIP CLASSIC for its faithful vintage design, impressive finishing for the price, and classic sizing, with many appreciating the "marble-like" patina on the cream dial. The watch is considered a strong value, offering great construction and a genuine alligator strap, with some owners finding it a versatile everyday or dress watch. Accuracy is generally reported as decent, and a slim movement contributes to its wearability. However, some owners note the 3-bar water resistance is limiting, and one owner found the 12.4mm thickness and flat caseback made it wear tall and difficult to slip under a cuff. On balance, owners rate the Longines FLAGSHIP CLASSIC highly for its vintage aesthetic and value proposition.

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