Side by side

Bremont S502vsYema Skin Diver CMM.20

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

S502
BremontS502
MSRP $5,100
Skin Diver CMM.20
YemaSkin Diver CMM.20
MSRP $2,372

At a glance

8 of 29 specs differ
Diameter
S50243mm
Skin Diver CMM.2039.5mm
Power Reserve
S50240h
Skin Diver CMM.2040h
Water Resistance
S502500m
Skin Diver CMM.20200m
MSRP
S502$5,100
Skin Diver CMM.20$2,372

Full specifications

Case

5 specs
Diameter
43mm
39.5mm
Thickness
16.5mm
11.5mm
Lug-to-Lug
47mm
Lug Width
16.5mm
20mm
Water Resistance
500m
200m

Crystal & Dial

1 specs
Crystal
Sapphire
Domed Sapphire

Movement

1 specs
Caliber
BE-93-2AE
Yema CMM.20

Pricing

1 specs
MSRP
$5,100
$2,372

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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 S502

The Bremont S502 is widely praised for its attractive full-stealth, black DLC treatment, and the beige lume that complements its Spec Ops design, with a burnt-orange GMT hand enhancing legibility. Owners find the watch handsome and cool, appreciating the 'black & tan' aesthetic suitable for hard wear. The Bremont S502 features a 502m water-resistance rating and a 42-hour power reserve, powered by a chronometer-rated Bremont BE-93-2AV automatic movement. While many like the NATO strap for its aesthetic and how it ties in with the PVD metalwork, some prefer the original black rubber strap for its comfort and custom fit. On balance, owners and reviewers rate the Bremont S502 highly for its stealthy aesthetic and robust build.

Yema Skin Diver CMM.20

Owners and reviewers widely praise the Yema Skin Diver CMM.20 for its vintage aesthetic, 39mm-39.5mm case size, and the in-house CMM.20 micro-rotor movement. The watch features a textured cream dial, sharp applied indices, and a satisfyingly over-engineered push-to-turn bi-directional bezel. The fully brushed bracelet with toolless micro-adjust clasp is highlighted as a significant improvement, though some note its extended lug-to-lug may challenge smaller wrists. Accuracy figures range from -3/+7 seconds per day to erratic results between 0 and -10 seconds per day, with a 70-hour power reserve. Some owners express concerns about the brand's QC reputation and the micro-rotor movement's performance, while one reviewer noted questionable finishing on a prototype's hour hand and a rattly clasp. Overall, owners and reviewers rate the Yema Skin Diver CMM.20 highly for its vintage styling and improved bracelet at the price.

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