Side by side

Jack Mason Strat-o-timer GMTvsYema Skin Diver CMM.20

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

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Strat-o-timer GMT
Jack MasonStrat-o-timer GMT
MSRP $1,099
Skin Diver CMM.20
YemaSkin Diver CMM.20
MSRP $2,372
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At a glance

10 of 29 specs differ
Diameter
Strat-o-timer GMT40mm
Skin Diver CMM.2039.5mm
Power Reserve
Strat-o-timer GMT42h
Skin Diver CMM.2040h
Water Resistance
Strat-o-timer GMT200m
Skin Diver CMM.20200m
MSRP
Strat-o-timer GMT$1,099
Skin Diver CMM.20$2,372

Full specifications

Case

5 specs
Category
—
Diver
Diameter
40mm
39.5mm
Thickness
13.2mm
11.5mm
Lug-to-Lug
47mm
47mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
—
Black

Movement

2 specs
Caliber
Miyota 9075
Yema CMM.20
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$1,099
$2,372
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