Which is cheaper, the Decima Gatekeeper or the Yema Skin Diver CMM.20?

At MSRP the Decima Gatekeeper is the cheaper of the two at $599, against $2,372 for the Yema Skin Diver CMM.20 — a $1,773 gap before any retailer discounting.

Which is bigger, the Decima Gatekeeper or the Yema Skin Diver CMM.20?

The Yema Skin Diver CMM.20 wears larger at 39.5mm versus 38mm for the Decima Gatekeeper — a 1.5mm difference across the dial.

Which has better water resistance, the Decima Gatekeeper or the Yema Skin Diver CMM.20?

The Yema Skin Diver CMM.20 is rated to 200m versus 50m for the Decima Gatekeeper.

Which has a longer power reserve, the Decima Gatekeeper or the Yema Skin Diver CMM.20?

The Decima Gatekeeper carries a 42-hour power reserve against 40 hours on the Yema Skin Diver CMM.20.

What movement does the Decima Gatekeeper run compared to the Yema Skin Diver CMM.20?

Both watches run automatic movements — the Decima Gatekeeper uses the Miyota 9039 and the Yema Skin Diver CMM.20 uses the Yema CMM.20.

Side by side

Decima GatekeepervsYema Skin Diver CMM.20

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

Add a watch

Decima Gatekeeper

gatekeeper-white

MSRP $599

Yema Skin Diver CMM.20

yema-skin-diver-cmm-20-12-25-20-11-sn-m3

MSRP $2,372

At a glance

13 of 29 specs differ

Diameter

Gatekeeper38mm

Skin Diver CMM.2039.5mm

Power Reserve

Gatekeeper42h

Skin Diver CMM.2040h

Water Resistance

Gatekeeper50m

Skin Diver CMM.20200m

MSRP

Gatekeeper$599

Skin Diver CMM.20$2,372

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Yes

Inner

Dial Color

White

Black

Movement

2 specs

Caliber

Miyota 9039

Yema CMM.20

Power Reserve

42h

40h

Pricing

1 specs

MSRP

$599

$2,372

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Decima GatekeepervsYema Skin Diver CMM.20

At a glance

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