Side by side

Nivada Grenchen F77 MK2 38mm AutomaticvsYema Superman Worldtime GMT

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

F77 MK2 38mm Automatic
Nivada GrenchenF77 MK2 38mm Automatic
MSRP $1,360
Superman Worldtime GMT
YemaSuperman Worldtime GMT
MSRP $1,549

At a glance

14 of 29 specs differ
Diameter
F77 MK2 38mm Automatic38mm
Superman Worldtime GMT39mm
Power Reserve
F77 MK2 38mm Automatic38h
Superman Worldtime GMT40h
Water Resistance
F77 MK2 38mm Automatic100m
Superman Worldtime GMT300m
MSRP
F77 MK2 38mm Automatic$1,360
Superman Worldtime GMT$1,549

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
38mm
39mm
Thickness
12.2mm
Lug-to-Lug
46.2mm
Lug Width
22mm
20mm
Water Resistance
100m
300m
Caseback
316L Steel Caseback
Solid

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Black Gem Onyx Dial, Super Lum. White Dots, Shiny Gold Applied Indexes, Applied Logo Gold color
39mm Automatic
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Soprod M100
Beat Rate
28 vph
28,800 vph
Power Reserve
38h
40h

Pricing

1 specs
MSRP
$1,360
$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 F77 MK2 38mm Automatic

Owners widely praise the Nivada Grenchen F77 MK2 38mm Automatic for its excellent wearability, with its 38mm size and comfortable, flat-laying case and downturned lugs fitting well on smaller wrists. Reviewers and owners alike highlight its slick fit and finish, unique dial options including Lapis, and strong value proposition as an integrated bracelet watch. One owner notes the Soprod P024 automatic movement offers solid performance. Overall, owners and reviewers rate the Nivada Grenchen F77 MK2 38mm Automatic highly for its comfortable wearability and unique dial aesthetics 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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