Side by side

Yema Wristmaster Slim CMM.20vsZelos Comet 39

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

Wristmaster Slim CMM.20
YemaWristmaster Slim CMM.20
MSRP $2,117
Comet 39
ZelosComet 39
MSRP $2,499

At a glance

10 of 29 specs differ
Diameter
Wristmaster Slim CMM.2039mm
Comet 3939mm
Power Reserve
Wristmaster Slim CMM.2040h
Comet 3940h
Water Resistance
Wristmaster Slim CMM.20100m
Comet 3950m
MSRP
Wristmaster Slim CMM.20$2,117
Comet 39$2,499

Full specifications

Case

5 specs
Category
GMT
Dress
Thickness
9mm
7.6mm
Lug-to-Lug
39mm
Lug Width
24mm
20mm
Water Resistance
100m
50m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Tantalum LE

Movement

2 specs
Caliber
Yema CMM.20
ETA/Peseux 7001
Type
Automatic
Manual

Pricing

1 specs
MSRP
$2,117
$2,499

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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.

Yema Wristmaster Slim CMM.20

The Yema Wristmaster Slim CMM.20 is widely praised for its compelling integrated bracelet design and comfortable 39mm wearability. Reviewers highlight its impressive value, featuring an in-house CMM.20 micro-rotor movement with a 70-hour power reserve, adjusted to -3/+7 seconds per day, all within a slim 9mm case. Some note the domed sapphire crystal can produce glare and the dial text is quite small. On balance, reviewers rate the Yema Wristmaster Slim CMM.20 highly for its integrated design and value proposition with a micro-rotor movement.

Zelos Comet 39

Owners widely praise the Zelos Comet 39 for its wearable 39mm size, thin profile under 10mm thanks to its manual-wind Sellita SW215 movement, and its captivating dial with a deep starburst effect. The winding action is described as a joy, and the watch is considered a stunner for its price, blending modern and vintage aesthetics. Some owners note frustration with Zelos's limited production runs leading to quick sell-outs. One owner found the logo childlike, while another experienced strap-rubbing issues with the short lugs, which were resolved with a Milanese bracelet. Overall, owners and reviewers rate the Zelos Comet 39 highly for its excellent value and striking dial design.

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