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Core Timepieces The River WatchvsMark Time Watches M 4

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

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The River Watch
Core TimepiecesThe River Watch
MSRP $540
M 4
Mark Time WatchesM 4
Buy from Core Timepieces ↗
Buy used on eBay ↗
Buy from Mark Time Watches ↗
Buy used on eBay ↗

At a glance

7 of 29 specs differ
Diameter
The River Watch42mm
M 439mm
Power Reserve
The River Watch—
M 4—
Water Resistance
The River Watch300m
M 4300m
MSRP
The River Watch$540
M 4—

Full specifications

Case

5 specs
Diameter
42mm
39mm
Thickness
—
12.1mm
Lug-to-Lug
—
46mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel

Movement

1 specs
Caliber
Seiko NH34A
Miyota 9039

Pricing

1 specs
MSRP
—
—
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