Yema Skin Diver Slim Bronze CMM.20

The Yema Skin Diver Slim Bronze CMM.20 is a 39 mm bronze dive watch with a CMM.20 automatic movement. At 10 mm thick, no other bronze dive watch with a stated thickness is thinner, out of 159. With a 70-hour power reserve, it runs longer than 90% of the 142 mechanical bronze dive watches with a stated reserve.

6 official photos · reader photos welcome

Price

$2,490

Material

Bronze

Grade / type

Bronze (grade not stated)

Water resistance

300 m

Type

Diver

Case diameter

39.0 mm

Thickness

10 mm

Lug-to-lug

47 mm

Origin

France

Movement

In-house micro-rotor automatic

Caliber

CMM.20 (Calibre Manufacture Morteau 20)

Power reserve

70 hours

Complications

Time only

Construction

Assembled

Finish technology

Natural finish

Caseback

Sapphire (display)

Nickel-free

Unconfirmed (bracelet, strap, or clasp hardware not confirmed)

Bracelet / strap

FKM Viton rubber strap with bronze pin buckle

Crystal

Double-domed sapphire, unidirectional sapphire dive bezel

Display back

Yes

Dial

Dark grey (limited edition) or green

Dial colours

Grey Green

Lume

Super-LumiNova (lime)

Availability

Offered

Status

Current (2026 limited edition, maker product page pending)

Not published

Reference, Weight, Colour, Hardness, Surface treatment, Matching bracelet

Medium confidence Verified Jul 2026 Source: Monochrome / Time+Tide Maker ↗

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