Side by side

Fears Onyx (collective Horology)vsYema Superman Worldtime GMT

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

Onyx (collective Horology)
FearsOnyx (collective Horology)
MSRP $2,833
Superman Worldtime GMT
YemaSuperman Worldtime GMT
MSRP $1,549

At a glance

10 of 29 specs differ
Diameter
Onyx (collective Horology)39.5mm
Superman Worldtime GMT39mm
Power Reserve
Onyx (collective Horology)40h
Superman Worldtime GMT40h
Water Resistance
Onyx (collective Horology)15m
Superman Worldtime GMT300m
MSRP
Onyx (collective Horology)$2,833
Superman Worldtime GMT$1,549

Full specifications

Case

6 specs
Category
Sport
GMT
Diameter
39.5mm
39mm
Thickness
20mm
Lug-to-Lug
46.95mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
15m
300m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Onyx (Collective Horology)
39mm Automatic

Movement

1 specs
Caliber
La Joux-Perret G101

Pricing

1 specs
MSRP
$2,833
$1,549

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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.

Fears Onyx (collective Horology)

Owners widely praise the Fears Onyx (collective Horology) for its exquisite glossy black onyx dial, which displays microscopic striations under magnification. Reviewers note its thin case, under 10.5mm, and a balanced sporty-dressy aesthetic. Water resistance is rated at 150m by one source and 100m by another, and the bracelet features on-the-fly micro-adjustment. Some owners find the 39.5mm diameter slightly large for the style, and one source suggests it doesn't represent top value, though it remains competitive. Overall, owners rate the Fears Onyx highly for its unique stone dial and wearability.

Yema Superman Worldtime GMT

Owners widely praise the Yema Superman Worldtime GMT for its premium feel, unique bezel-lock mechanism, and attractive domed crystal. Some owners note the aluminum bezel insert is less desirable than ceramic and report the bracelet clasp can be stiff or difficult to open. Inconsistent quality control and poor customer service have been flagged by some owners. On balance, owners value the Yema Superman Worldtime GMT for its distinctive features and comfortable wearability.

From video reviewers

The "Coke" bezel and maxi dial are attractive design elements. The in-house automatic GMT movement is a French alternative to pricier GMTs.

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