Which is cheaper, the Oak & Oscar The Olmsted Windup Edition or the Yema Skin Diver Slim CMM.20?

At MSRP the Oak & Oscar The Olmsted Windup Edition is the cheaper of the two at $1,775, against $2,117 for the Yema Skin Diver Slim CMM.20 — a $342 gap before any retailer discounting.

Which is bigger, the Oak & Oscar The Olmsted Windup Edition or the Yema Skin Diver Slim CMM.20?

The Yema Skin Diver Slim CMM.20 wears larger at 47mm versus 38mm for the Oak & Oscar The Olmsted Windup Edition — a 9mm difference across the dial.

Which has better water resistance, the Oak & Oscar The Olmsted Windup Edition or the Yema Skin Diver Slim CMM.20?

The Yema Skin Diver Slim CMM.20 is rated to 200m versus 100m for the Oak & Oscar The Olmsted Windup Edition.

Which has a longer power reserve, the Oak & Oscar The Olmsted Windup Edition or the Yema Skin Diver Slim CMM.20?

The Oak & Oscar The Olmsted Windup Edition carries a 50-hour power reserve against 40 hours on the Yema Skin Diver Slim CMM.20.

What movement does the Oak & Oscar The Olmsted Windup Edition run compared to the Yema Skin Diver Slim CMM.20?

Both watches run automatic movements — the Oak & Oscar The Olmsted Windup Edition uses the Sellita SW300 and the Yema Skin Diver Slim CMM.20 uses the Yema CMM.20.

Side by side

Oak & Oscar The Olmsted Windup EditionvsYema Skin Diver Slim CMM.20

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

Oak & Oscar The Olmsted Windup Edition

OlmWindup

MSRP $1,775

Yema Skin Diver Slim CMM.20

yema-skin-diver-slim-cmm-20-limited-edition-12-24-99-sn-m3

MSRP $2,117

At a glance

16 of 29 specs differ

Diameter

The Olmsted Windup Edition38mm

Skin Diver Slim CMM.2047mm

Power Reserve

The Olmsted Windup Edition50h

Skin Diver Slim CMM.2040h

Water Resistance

The Olmsted Windup Edition100m

Skin Diver Slim CMM.20200m

MSRP

The Olmsted Windup Edition$1,775

Skin Diver Slim CMM.20$2,117

Full specifications

Case

6 specs

Crystal & Dial

5 specs

Crystal

Sapphire

Domed Sapphire

Crystal Shape

Double-domed

Flat

AR Coating

Underside

Inner

Dial Color

Grey

Steel

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

Sellita SW300

Yema CMM.20

Beat Rate

4 vph

28,800 vph

Power Reserve

50h

40h

Complications

GMT, Chronograph, Date

None

Pricing

1 specs

MSRP

$1,775

$2,117

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