Side by side

Sternglas Naos GroßdatumvsYema Superman Worldtime GMT

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

Naos Großdatum
SternglasNaos Großdatum
MSRP $323
Superman Worldtime GMT
YemaSuperman Worldtime GMT
MSRP $1,549

At a glance

12 of 29 specs differ
Diameter
Naos Großdatum38mm
Superman Worldtime GMT39mm
Power Reserve
Naos Großdatum
Superman Worldtime GMT40h
Water Resistance
Naos Großdatum50m
Superman Worldtime GMT300m
MSRP
Naos Großdatum$323
Superman Worldtime GMT$1,549

Full specifications

Case

5 specs
Category
Dress
GMT
Diameter
38mm
39mm
Thickness
10mm
Lug-to-Lug
42mm
Water Resistance
50m
300m

Crystal & Dial

2 specs
Dial Color
39mm Automatic
Lume
Luminova Punkten
None

Movement

4 specs
Caliber
Seiko VJ76
Type
Quartz
Automatic
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$323
$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.

Sternglas Naos Großdatum

The Sternglas Naos Großdatum is praised for its Bauhaus aesthetic and value, with one owner finding it an affordable alternative to other designs. However, some owners report it feels underwhelming and cheap, with a printed-on face, small font, and toy-like hands, and find the strap to be of poor quality. The watch features a 38mm stainless steel case, an Alabaster dial with beige LumiNova, and a Seiko TMI VJ76 quartz movement rated for -20/+20 seconds per month. On balance, owners and reviewers are divided, with the primary point of contention being the perceived quality and aesthetic execution of the Sternglas Naos Großdatum.

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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