The Wristwatch Field Guide

Yema Skin Diver Slim Bronze CMM.20

The Yema Skin Diver Slim Bronze CMM.20 is a current-production diver watch with a bronze (grade not stated) case. It measures 39.0 mm across, 10 mm thick, 47 mm lug to lug, and is water resistant to 300 m. Inside is the CMM.20 (Calibre Manufacture Morteau 20) in-house micro-rotor automatic movement, with 70 hours power reserve. Complications: Time only. Priced from $2,449 (approx, converted from EUR 2,249). Brand origin: France.

Titanium, ceramic, and bronze diver watchesBronzeDiversDisplay backUnder $5,000
Reference
–
Type
Diver
Price
$2,449 · approx, converted from EUR 2,249
Case diameter
39.0 mm
Thickness
10 mm
Lug-to-lug
47 mm
Water resistance
300 m
Weight
–
Origin
France
Movement
In-house micro-rotor automatic
Caliber
CMM.20 (Calibre Manufacture Morteau 20)
Power reserve
70 hours
Complications
Time only
Material
Bronze
Grade / type
Bronze (grade not stated)
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
Sapphire (display)
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
FKM Viton rubber strap with bronze pin buckle
Matching bracelet
–
Crystal
Double-domed sapphire, unidirectional sapphire dive bezel
Display back
Yes
Dial
Dark grey (limited edition) or green
Lume
Super-LumiNova (lime)
Availability
Offered
Status
Current (2026 limited edition, maker product page pending)
Medium confidence Verified Jul 2026 Source: Monochrome / Time+Tide Maker / listing ↗
Facts are free to cite with a link.
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Alternatives to the Yema Skin Diver Slim Bronze CMM.20

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BallRoadmaster StarLight Bronze$2,29942.0 mmDiversame category · same style · similar price · similar size
NomadicBrú 750$2,49542.0 mm13.5 mm thickDiversame category · same style · similar price · similar size
STILMegara Limited Edition (Titanium)$2,68042.0 mm13.4 mm thickDiversame category · same style · similar price · similar size

More titanium, ceramic, and bronze watches from Yema

Yema Superman Titanium (CMM.11)YemaSuperman Titanium (CMM.11)$2,09038.5 mm95 gDiverYema Superman Bronze CMM.10YemaSuperman Bronze CMM.10$1,99939.0 mm11 mm thickDiver
YemaSuperman Heritage GMT Bronze$1,19939.0 mm14.25 mm thickOther
YemaNavygraf Forces Sous-Marines FOST Bronze$1,35038.5 mm11.3 mm thickDiver

Frequently asked questions

What is the case material of the Yema Skin Diver Slim Bronze CMM.20?

The Yema Skin Diver Slim Bronze CMM.20 has a bronze (grade not stated) case with a sapphire (display) caseback. It is recorded at medium confidence pending a maker-stated material.

What size is the Yema Skin Diver Slim Bronze CMM.20?

It is 39.0 mm in diameter, 10 mm thick, 47 mm lug to lug, and water resistant to 300 m.

How much does the Yema Skin Diver Slim Bronze CMM.20 cost, and is it available?

It is current-production and lists from $2,449.

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