Side by side

Sartory Billard SB05vsYema Skin Diver CMM.20

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

Skin Diver CMM.20
YemaSkin Diver CMM.20
MSRP $2,372

At a glance

11 of 29 specs differ
Diameter
SB0538.5mm
Skin Diver CMM.2039.5mm
Power Reserve
SB0590h
Skin Diver CMM.2040h
Water Resistance
SB0550m
Skin Diver CMM.20200m
MSRP
SB05
Skin Diver CMM.20$2,372

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
38.5mm
39.5mm
Thickness
8.5mm
11.5mm
Lug-to-Lug
45.5mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

1 specs
Crystal
Sapphire
Domed Sapphire

Movement

3 specs
Caliber
LJP Cal. 7380
Yema CMM.20
Type
Manual
Automatic
Power Reserve
90h
40h

Pricing

1 specs
MSRP
$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.

Sartory Billard SB05

The dial's Maki-e Raden and aventurine combination is a standout feature. The 38.5mm case size and slim profile are noted for comfort.

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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