Side by side

Jack Mason Strat-o-timer GMTvsSpinnaker Croft 39 GMT

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
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445
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At a glance

10 of 29 specs differ
Diameter
Strat-o-timer GMT40mm
Croft 39 GMT39mm
Power Reserve
Strat-o-timer GMT42h
Croft 39 GMT40h
Water Resistance
Strat-o-timer GMT200m
Croft 39 GMT100m
MSRP
Strat-o-timer GMT$1,099
Croft 39 GMT$445

Full specifications

Case

6 specs
Category
—
GMT
Diameter
40mm
39mm
Thickness
13.2mm
13mm
Lug-to-Lug
47mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
—
Red

Movement

2 specs
Caliber
Miyota 9075
Seiko NH34A
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$1,099
$445
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