Side by side

Nivada Grenchen F77 MK2 38mm AutomaticvsYema Navygraf 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
Navygraf CMM.10
YemaNavygraf CMM.10
MSRP $1,899

At a glance

15 of 29 specs differ
Diameter
F77 MK2 38mm Automatic38mm
Navygraf CMM.1039mm
Power Reserve
F77 MK2 38mm Automatic38h
Navygraf CMM.1040h
Water Resistance
F77 MK2 38mm Automatic100m
Navygraf CMM.10100m
MSRP
F77 MK2 38mm Automatic$1,360
Navygraf CMM.10$1,899

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
38mm
39mm
Thickness
12.2mm
11mm
Lug-to-Lug
46.2mm
46mm
Lug Width
22mm
19mm
Material
Stainless Steel
316L Stainless Steel
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
Standard
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
$1,899

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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 Navygraf CMM.10

Owners widely report quality control concerns and suspect craftsmanship with the Yema Navygraf, with one user noting crooked text. A reviewer praised the Slim CMM.20 Limited Edition for its stylish, slim profile and classy finishing on a black lacquered enamel dial, though the audible micro-rotor spinning at its price point was a surprise. On balance, the consensus is that while the Yema Navygraf offers a stylish design, potential buyers should be aware of reported quality control issues.

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