Side by side

Nivada Grenchen F77 MK2 38mm AutomaticvsYema Superman Steel CMM.10

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 Steel CMM.10
YemaSuperman Steel CMM.10
MSRP $1,890

At a glance

16 of 29 specs differ
Diameter
F77 MK2 38mm Automatic38mm
Superman Steel CMM.1039mm
Power Reserve
F77 MK2 38mm Automatic38h
Superman Steel CMM.1040h
Water Resistance
F77 MK2 38mm Automatic100m
Superman Steel CMM.10300m
MSRP
F77 MK2 38mm Automatic$1,360
Superman Steel CMM.10$1,890

Full specifications

Case

8 specs
Category
Chronograph
Diver
Diameter
38mm
39mm
Thickness
12.2mm
11.3mm
Lug-to-Lug
46.2mm
Lug Width
22mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m
Caseback
316L Steel Caseback
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Underside
Inner
Dial Color
Black Gem Onyx Dial, Super Lum. White Dots, Shiny Gold Applied Indexes, Applied Logo Gold color
Steel
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Soprod M100
Yema CMM.10
Beat Rate
28 vph
28,800 vph
Power Reserve
38h
40h

Pricing

1 specs
MSRP
$1,360
$1,890

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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 Steel CMM.10

Owners widely praise the Yema Superman Steel CMM.10 for its refined casework, including polished lug bevels and an elegant crown guard, and its comfortable 39mm x 10.5mm dimensions. The glossy black lacquer dial and bezel insert are noted for adding depth, and the in-house CMM.10 movement is reported to be accurate, with one owner observing a loss of only 2 seconds over 2 days. The scales bracelet is described as gorgeous and nearly invisible on the wrist, though some find its polished center links too flashy. One reviewer flagged the signature bezel lock mechanism as flimsy and inconvenient. The CMM.10 automatic movement offers a 70-hour power reserve and is regulated to within +5/-3 seconds per day. On balance, owners and reviewers rate the Yema Superman Steel CMM.10 highly for its refined finishing and comfortable wearability at its price point.

From video reviewers

The Yema Steel features an in-house movement with a micro-rotor, one of the most beautiful at this price point. The watch's clasp feels a bit thin, which is a notable drawback. Reviewers disagree on the movement's power reserve, with one reviewer noting a 42-hour reserve and the other not mentioning power reserve at all.

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