Side by side

Halios Seaforth IVvsTimefactors PRS-29A

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
PRS-29A
TimefactorsPRS-29A
MSRP $544
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-29A

Owners widely praise the Timefactors PRS-29A for its excellent value, faithful reissue design, and compact 36mm case. The manual-wind ETA 2801-2 movement, 100m water resistance, and anti-magnetic properties are frequently highlighted as functional strengths, making it a popular grab-and-go or travel watch. Some owners note the shiny hands can blend into the dial, and one owner reports accuracy around +5 seconds per day. A desire for a screw-down crown for enhanced water resistance and poor lume are also mentioned. Overall, owners rate the Timefactors PRS-29A highly for its historical accuracy and robust build at its price point.

At a glance

14 of 29 specs differ
Diameter
Seaforth IV40mm
PRS-29A36mm
Power Reserve
Seaforth IV40h
PRS-29A
Water Resistance
Seaforth IV200m
PRS-29A100m
MSRP
Seaforth IV$765
PRS-29A$544

Full specifications

Case

7 specs
Category
Diver
Diameter
40mm
36mm
Thickness
12.4mm
11.1mm
Lug-to-Lug
46.5mm
46.8mm
Lug Width
20mm
18mm
Material
Titanium
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW200-1
ETA 2801-2
Type
Automatic
Manual
Power Reserve
40h

Pricing

1 specs
MSRP
$765
$544
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