Side by side

Core Timepieces The River WatchvsMark Time Watches M 5

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

M 5
Mark Time WatchesM 5

At a glance

8 of 29 specs differ
Diameter
The River Watch42mm
M 536mm
Power Reserve
The River Watch
M 5
Water Resistance
The River Watch300m
M 5100m
MSRP
The River Watch$540
M 5

Full specifications

Case

6 specs
Diameter
42mm
36mm
Thickness
10.2mm
Lug-to-Lug
42.5mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
300m
100m

Movement

1 specs
Caliber
Seiko NH34A
Miyota 9039

Pricing

1 specs
MSRP
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