Side by side

Nivada Grenchen AutochronvsYema Superman Tourbillon CMM.31 Limited Edition

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

Autochron
Nivada GrenchenAutochron
MSRP $2,495
Superman Tourbillon CMM.31 Limited Edition
YemaSuperman Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

16 of 29 specs differ
Diameter
Autochron38mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
Autochron42h
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
Autochron200m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
Autochron$2,495
Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

8 specs
Category
Chronograph
Diver
Diameter
38mm
43mm
Thickness
38mm
11.7mm
Lug-to-Lug
46mm
Lug Width
20mm
22mm
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
300m
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.31 Tourbillon
Beat Rate
28 vph
28,800 vph
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$2,495
$13,000

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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 Superman Tourbillon CMM.31 Limited Edition

Owners praise the Yema Superman Tourbillon CMM.31 Limited Edition as an incredible and crazy watch, appreciating its unnecessary tourbillon complication and impressive specifications at a remarkable price point. The titanium construction contributes to comfort despite the 43mm case size. One reviewer notes the bracelet clasp's extension system is somewhat crude. On balance, owners and reviewers rate the Yema Superman Tourbillon CMM.31 Limited Edition highly for its compelling tourbillon feature at an accessible price.

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