Side by side

Halios Seaforth IVvsTimefactors PRS-36

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
PRS-36
TimefactorsPRS-36
MSRP $530
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.

Timefactors PRS-36

Owners widely praise the Timefactors PRS-36 for its classy vintage styling, comfortable thin cushion case, and brushed aluminum dial. The Peseux 7040 hand-winding movement and 37mm case size are noted, with one owner finding it wears larger than expected. The included strap and buckle are frequently cited as undesirable, with owners opting for replacements. Overall, owners rate the Timefactors PRS-36 highly for its vintage aesthetics and comfortable wearability at its price point.

At a glance

13 of 29 specs differ
Diameter
Seaforth IV40mm
PRS-3637mm
Power Reserve
Seaforth IV40h
PRS-36
Water Resistance
Seaforth IV200m
PRS-3650m
MSRP
Seaforth IV$765
PRS-36$530

Full specifications

Case

6 specs
Category
Diver
Diameter
40mm
37mm
Thickness
12.4mm
10.5mm
Lug-to-Lug
46.5mm
44.8mm
Material
Titanium
Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

3 specs
Crystal
Sapphire (double-domed)
Sapphire
Dial Color
Blue
Silver
Lume
None
SuperLuminova C3

Movement

3 specs
Caliber
Sellita SW200-1
Peseux 7040
Type
Automatic
Manual
Power Reserve
40h

Pricing

1 specs
MSRP
$765
$530
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