Side by side

Core Timepieces The River WatchvsMark Time Watches M 6

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

M 6
Mark Time WatchesM 6
MSRP $495

At a glance

8 of 29 specs differ
Diameter
The River Watch42mm
M 639mm
Power Reserve
The River Watch
M 6
Water Resistance
The River Watch300m
M 6100m
MSRP
The River Watch$540
M 6$495

Full specifications

Case

6 specs
Diameter
42mm
39mm
Thickness
10.6mm
Lug-to-Lug
45mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
300m
100m

Movement

1 specs
Caliber
Seiko NH34A
Miyota 9039

Pricing

1 specs
MSRP
$495
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