Side by side

Halios Seaforth IVvsLongines LONGINES MASTER COLLECTION

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
LONGINES MASTER COLLECTION
LonginesLONGINES MASTER COLLECTION
MSRP $2,850

At a glance

11 of 29 specs differ
Diameter
Seaforth IV40mm
LONGINES MASTER COLLECTION38.5mm
Power Reserve
Seaforth IV40h
LONGINES MASTER COLLECTION72h
Water Resistance
Seaforth IV200m
LONGINES MASTER COLLECTION30m
MSRP
Seaforth IV$765
LONGINES MASTER COLLECTION$2,850

Full specifications

Case

6 specs
Category
Diver
Diameter
40mm
38.5mm
Thickness
12.4mm
10.2mm
Lug-to-Lug
46.5mm
44.9mm
Material
Titanium
Stainless Steel
Water Resistance
200m
30m

Crystal & Dial

2 specs
Crystal
Sapphire (double-domed)
Sapphire
Dial Color
Blue
Ivory

Movement

2 specs
Caliber
Sellita SW200-2
L893.5
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$765
$2,850

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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 MASTER COLLECTION

Owners widely praise the Longines Master Collection for its attractive designs, heritage feel, and value, with specific models highlighted for their legibility and manageable sizes. One owner finds the 40mm moonphase chronograph complete calendar mesmerizing and versatile at around $1700, while another appreciates the 38mm World Timer's looks and blue hands. A drawback noted across different models is limited water resistance, with one owner selling their watch due to this, and the World Timer disc requiring manual adjustment for daylight saving time in some areas. On balance, owners rate the Longines Master Collection highly for its aesthetic appeal and value proposition, despite some limitations in water resistance and functionality.

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