Side by side

Seiko Prospex LX linevsYema Superman Worldtime GMT

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

Prospex LX line
SeikoProspex LX line
MSRP $5,500
Superman Worldtime GMT
YemaSuperman Worldtime GMT
MSRP $1,549

At a glance

14 of 29 specs differ
Diameter
Prospex LX line44.8mm
Superman Worldtime GMT39mm
Power Reserve
Prospex LX line72h
Superman Worldtime GMT40h
Water Resistance
Prospex LX line200m
Superman Worldtime GMT300m
MSRP
Prospex LX line$5,500
Superman Worldtime GMT$1,549

Full specifications

Case

6 specs
Diameter
44.8mm
39mm
Thickness
14.7mm
Lug-to-Lug
50.9mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Super-clear coating
Inner
Dial Color
Black
39mm Automatic
Lume
LumiBrite on hands and index(es)
None

Movement

4 specs
Caliber
5R66
Type
Spring Drive
Automatic
Power Reserve
72h
40h
Jewels
30
25

Pricing

1 specs
MSRP
$5,500
$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 Prospex LX line

Owners widely report the dial's blue-green sunburst is phenomenal, and the sapphire glass features blue AR coating. Some owners feel the high price limits discounts and sales, with one AD noting extremely low sales due to the cost. One owner reported DLC peeling off a two-week-old watch, and another noted quality control issues like bezel inserts and fallen second hands. On balance, owners consider the Seiko Prospex LX line a nicely built watch, though pricing led to poor sales and its discontinuation.

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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