Side by side

Halios Seaforth IVvsYema Superman Tourbillon CMM.31 Limited Edition

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
Superman Tourbillon CMM.31 Limited Edition
YemaSuperman Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

10 of 29 specs differ
Diameter
Seaforth IV40mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
Seaforth IV40h
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
Seaforth IV200m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
Seaforth IV$765
Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

6 specs
Diameter
40mm
43mm
Thickness
12.4mm
11.7mm
Lug-to-Lug
46.5mm
Lug Width
20mm
22mm
Material
Titanium
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

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

Movement

1 specs
Caliber
Sellita SW200-2
Yema CMM.31 Tourbillon

Pricing

1 specs
MSRP
$765
$13,000

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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.

Yema Superman Tourbillon CMM.31 Limited Edition

Owners praise the Yema Superman Tourbillon CMM.31 Limited Edition as an incredible and crazy watch, appreciating its unnecessary tourbillon complication and impressive specifications at a remarkable price point. The titanium construction contributes to comfort despite the 43mm case size. One reviewer notes the bracelet clasp's extension system is somewhat crude. On balance, owners and reviewers rate the Yema Superman Tourbillon CMM.31 Limited Edition highly for its compelling tourbillon feature at an accessible price.

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