Side by side

Nivada Grenchen AutochronvsYema Skin Diver Slim CMM.20

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

Autochron
Nivada GrenchenAutochron
MSRP $2,495
Skin Diver Slim CMM.20
YemaSkin Diver Slim CMM.20
MSRP $2,117

At a glance

15 of 29 specs differ
Diameter
Autochron38mm
Skin Diver Slim CMM.2047mm
Power Reserve
Autochron42h
Skin Diver Slim CMM.2040h
Water Resistance
Autochron200m
Skin Diver Slim CMM.20200m
MSRP
Autochron$2,495
Skin Diver Slim CMM.20$2,117

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
38mm
47mm
Thickness
38mm
10mm
Lug-to-Lug
46mm
47mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Caseback
316L Steel Silver Color Caseback
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Matt Blue Small texture +Super White Lum thick Printed 7506C Super Lum. Dots +White thick Printed logo
Steel
Indices
Baton
Applied
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
ETA Valjoux 7750
Yema CMM.20
Beat Rate
28 vph
28,800 vph
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$2,495
$2,117

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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 Skin Diver Slim CMM.20

Owners and reviewers widely praise the Yema Skin Diver Slim CMM.20 for its balanced 39mm case, vintage aesthetic, and unique champagne dial. The proprietary CMM.20 micro-rotor movement is a notable feature, though some owners report potential QC issues including erratic timegrapher readings and second-hand stutter. The lume is described as subdued, and while some find the "dragon scale" bracelet beautiful, others consider it generic. The price point is a hurdle for some, and the stamped clasp quality is considered subpar by one reviewer, with a gap noted by an owner. The lack of hacking seconds is flagged as a drawback at its price. Overall, owners and reviewers rate the Yema Skin Diver Slim CMM.20 highly for its vintage charm and balanced wearability.

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