Side by side

Massena LAB Dato-RacervsYema Wristmaster Slim Small Seconds CMM.29

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

Dato-Racer
Massena LABDato-Racer
MSRP $1,595
Wristmaster Slim Small Seconds CMM.29
YemaWristmaster Slim Small Seconds CMM.29
MSRP $2,249

At a glance

10 of 29 specs differ
Diameter
Dato-Racer40mm
Wristmaster Slim Small Seconds CMM.2939mm
Power Reserve
Dato-Racer38h
Wristmaster Slim Small Seconds CMM.2940h
Water Resistance
Dato-Racer50m
Wristmaster Slim Small Seconds CMM.29100m
MSRP
Dato-Racer$1,595
Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

5 specs
Category
Sport
Dress
Diameter
40mm
39mm
Thickness
10.5mm
9mm
Lug-to-Lug
46mm
Water Resistance
50m
100m

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

3 specs
Caliber
SW400-1
Yema CMM.29
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$1,595
$2,249

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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.

Massena LAB Dato-Racer

Owners widely praise the Massena LAB Dato-Racer as an excellent everyday watch, appreciating its blend of 1970s-inspired aesthetics with modern dimensions. This model is a limited edition of 99 pieces. On balance, owners rate the Massena LAB Dato-Racer highly for its successful fusion of vintage design and contemporary wearability.

Yema Wristmaster Slim Small Seconds CMM.29

Owners widely praise the Yema Wristmaster Slim Small Seconds CMM.29 for its slim 9.5mm case, unique nature-inspired dial, and brushed steel finish. The micro-rotor movement is noted for its 4Hz beat rate and 42-hour power reserve, regulated to -/+ 10 seconds per day. Some owners report concerns regarding the movement and warranty process, while a reviewer questioned the value proposition at its price point and noted minor finishing inconsistencies on a prototype. On balance, the Yema Wristmaster Slim Small Seconds CMM.29 is highly regarded by owners for its distinctive design and comfortable wearability.

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