Side by side

Core Timepieces The River WatchvsJack Mason Strat-o-timer GMT

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

Strat-o-timer GMT
Jack MasonStrat-o-timer GMT
MSRP $1,099

At a glance

9 of 29 specs differ
Diameter
The River Watch42mm
Strat-o-timer GMT40mm
Power Reserve
The River Watch
Strat-o-timer GMT42h
Water Resistance
The River Watch300m
Strat-o-timer GMT200m
MSRP
The River Watch$540
Strat-o-timer GMT$1,099

Full specifications

Case

6 specs
Diameter
42mm
40mm
Thickness
13.2mm
Lug-to-Lug
47mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
300m
200m

Movement

2 specs
Caliber
Seiko NH34A
Miyota 9075
Power Reserve
42h

Pricing

1 specs
MSRP
$1,099
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