Side by side

Nivada Grenchen AutochronvsYema Superman Worldtime GMT

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

Autochron
Nivada GrenchenAutochron
MSRP $2,495
Superman Worldtime GMT
YemaSuperman Worldtime GMT
MSRP $1,549

At a glance

14 of 29 specs differ
Diameter
Autochron38mm
Superman Worldtime GMT39mm
Power Reserve
Autochron42h
Superman Worldtime GMT40h
Water Resistance
Autochron200m
Superman Worldtime GMT300m
MSRP
Autochron$2,495
Superman Worldtime GMT$1,549

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
38mm
39mm
Thickness
38mm
Lug-to-Lug
46mm
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
300m
Caseback
316L Steel Silver Color Caseback
Solid

Crystal & Dial

3 specs
Dial Color
Matt Blue Small texture +Super White Lum thick Printed 7506C Super Lum. Dots +White thick Printed logo
39mm Automatic
Indices
Baton
Applied
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
ETA Valjoux 7750
Beat Rate
28 vph
28,800 vph
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$2,495
$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.

Nivada Grenchen Autochron

Owners praise the Nivada Grenchen Autochron's dial, with one owner calling it amazing. The Autochron Mechaquartz is noted for its squared profile and the comfort of its expansion bracelet on smaller wrists.

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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