Side by side

Seiko Diamond CollectionvsYema Superman Worldtime GMT

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

Diamond Collection
SeikoDiamond Collection
MSRP $525
Superman Worldtime GMT
YemaSuperman Worldtime GMT
MSRP $1,549

At a glance

9 of 29 specs differ
Diameter
Diamond Collection32mm
Superman Worldtime GMT39mm
Power Reserve
Diamond Collection40h
Superman Worldtime GMT40h
Water Resistance
Diamond Collection100m
Superman Worldtime GMT300m
MSRP
Diamond Collection$525
Superman Worldtime GMT$1,549

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
32mm
39mm
Thickness
8.2mm
Lug-to-Lug
39mm
Lug Width
15mm
20mm
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
39mm Automatic

Movement

1 specs
Caliber
6N32

Pricing

1 specs
MSRP
$525
$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.

Seiko Diamond Collection

Owners widely praise the Seiko Diamond Collection for its stunning beauty, particularly highlighting the 14 diamonds and the captivating mother-of-pearl dial. Its 33.2mm case size, 100m water resistance, sapphire crystal, and lightweight build are appreciated features contributing to comfortable wear. Some owners find the dial detail is best appreciated in direct sunlight. The gold plating on some models may show fading from desk work over time. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and comfortable, well-finished design at its price point.

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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