Side by side

Bremont Altitude ChronographvsYema Wristmaster Slim CMM.20

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

Altitude Chronograph
BremontAltitude Chronograph
MSRP $6,300
Wristmaster Slim CMM.20
YemaWristmaster Slim CMM.20
MSRP $2,117

At a glance

8 of 29 specs differ
Diameter
Altitude Chronograph42mm
Wristmaster Slim CMM.2039mm
Power Reserve
Altitude Chronograph40h
Wristmaster Slim CMM.2040h
Water Resistance
Altitude Chronograph100m
Wristmaster Slim CMM.20100m
MSRP
Altitude Chronograph$6,300
Wristmaster Slim CMM.20$2,117

Full specifications

Case

5 specs
Category
Chronograph
GMT
Diameter
42mm
39mm
Thickness
14.7mm
9mm
Lug Width
14.7mm
24mm
Material
316L Stainless Steel (DLC coated)
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Silver
Black

Movement

1 specs
Caliber
BE-50AE
Yema CMM.20

Pricing

1 specs
MSRP
$6,300
$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.

Bremont Altitude Chronograph

Owners note faint marks on the case sides and back, with minor wear and creasing on the strap. Reviewers flag the "DANGER EJECTION SEAT" wordmark on the dial as a divisive design choice that disrupts the MB series' usual stark tone, though they praise the improved smoothness and click precision of the Roto Click rotating bezel. On balance, the Bremont Altitude Chronograph elicits mixed reactions, with design elements like the dial text being a point of contention for 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.

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