Side by side

Bremont Altitude ChronographvsYema Skin Diver 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
Skin Diver Slim CMM.20
YemaSkin Diver Slim CMM.20
MSRP $2,117

At a glance

11 of 29 specs differ
Diameter
Altitude Chronograph42mm
Skin Diver Slim CMM.2047mm
Power Reserve
Altitude Chronograph40h
Skin Diver Slim CMM.2040h
Water Resistance
Altitude Chronograph100m
Skin Diver Slim CMM.20200m
MSRP
Altitude Chronograph$6,300
Skin Diver Slim CMM.20$2,117

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
42mm
47mm
Thickness
14.7mm
10mm
Lug-to-Lug
47mm
Lug Width
14.7mm
20mm
Material
316L Stainless Steel (DLC coated)
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Silver
Steel

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 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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