Undone Aero Worldtimer "Doolittle"vsYema Superman Worldtime GMT
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
Aero Worldtimer "Doolittle"
Superman Worldtime GMT
Diameter
40mm
39mm
Thickness
15mm
n/a
Water Resistance
100m
300m
highest
MSRP
$399
lowest
$1,549
Movement
Seiko NH35
Automatic
Case
5 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Undone Aero Worldtimer "Doolittle" is praised for its well-finished 40mm steel case with impressive lug chamfering, a functional rotating bezel, and legible dials that blend Art Deco and contemporary design. Reviewers highlight its attractive finishing and comfortable wearability, noting the vintage appeal of its domed polycarbonate crystal. The watch utilizes a Seiko NH35 automatic movement and offers 100m water resistance. On balance, reviewers rate the Undone Aero Worldtimer "Doolittle" highly for its first-class looks and comfortable wearability at a frugal price point.
The Yema Superman Worldtime GMT is praised for its comfortable 39mm wearability and a unique bezel-lock mechanism, with owners appreciating its premium feel and domed crystal. However, some find the aluminum bezel insert less desirable than ceramic and report a stiff bracelet clasp, with one owner noting inconsistent quality control and poor customer service. Overall, owners rate the Yema Superman Worldtime GMT highly for its comfortable 39mm wearability and unique bezel-lock mechanism, despite occasional issues with the bracelet clasp and quality control.
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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