Side by side

Jack Mason Strat-o-timer GMTvsSerket Watch Co Reef Mariana

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

Add a watch
Strat-o-timer GMT
Jack MasonStrat-o-timer GMT
MSRP $1,099
Reef Mariana
Serket Watch CoReef Mariana
MSRP $449
Buy from Jack Mason ↗
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Buy from Serket Watch Co ↗
Buy used on eBay ↗

At a glance

6 of 29 specs differ
Diameter
Strat-o-timer GMT40mm
Reef Mariana40mm
Power Reserve
Strat-o-timer GMT42h
Reef Mariana—
Water Resistance
Strat-o-timer GMT200m
Reef Mariana200m
MSRP
Strat-o-timer GMT$1,099
Reef Mariana$449

Full specifications

Case

1 specs
Lug-to-Lug
47mm
47.5mm

Crystal & Dial

2 specs
Dial Color
—
Orange
Lume
None
BGW9

Movement

2 specs
Caliber
Miyota 9075
Seiko NH35
Power Reserve
42h
—

Pricing

1 specs
MSRP
$1,099
$449
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