Side by side

Christopher Ward C1 Moonphase 37vsHalios Seaforth IV

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

C1 Moonphase 37
Christopher WardC1 Moonphase 37
MSRP $3,050
Seaforth IV
HaliosSeaforth IV
MSRP $765

At a glance

15 of 29 specs differ
Diameter
C1 Moonphase 3744.07mm
Seaforth IV40mm
Power Reserve
C1 Moonphase 3738h
Seaforth IV40h
Water Resistance
C1 Moonphase 3730m
Seaforth IV200m
MSRP
C1 Moonphase 37$3,050
Seaforth IV$765

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
44.07mm
40mm
Thickness
13.1mm
12.4mm
Lug-to-Lug
44.07mm
46.5mm
Material
Stainless Steel
Titanium
Finish
Brushed + Polished
Brushed and polished
Water Resistance
30m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Sapphire (double-domed)
Lume
SLN X1 WL C1
None

Movement

5 specs
Caliber
SW220
Sellita SW200-2
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Jewels
26
25
Complications
Moonphase
None

Pricing

1 specs
MSRP
$3,050
$765

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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.

Christopher Ward C1 Moonphase 37

Owners widely praise the Christopher Ward C1 Moonphase 37 for its aventurine dial and moon display, with one user awarding it a perfect score for its celestial theme. However, the lack of hour markers and lume-less hands make time-telling difficult, and hands can disappear against the dial. The COSC-certified movement averages +2.3 seconds per day, and the bracelet clasp is noted for comfort. The moonphase complication itself is reported by one owner to be inaccurate despite manufacturer attempts to correct it, though other users view such complications as primarily decorative. The 38-hour power reserve is considered short. Overall, owners rate the Christopher Ward C1 Moonphase 37 highly for its striking aventurine dial and moon focus, despite challenges with legibility and the practical accuracy of its moonphase complication.

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.

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