Side by side

Mark Time Watches M 4vsSerket Watch Co Reef X Diver

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

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M 4
Mark Time WatchesM 4
Reef X Diver
Serket Watch CoReef X Diver
MSRP $499
Buy from Mark Time Watches ↗
Buy used on eBay ↗
Buy from Serket Watch Co ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
M 439mm
Reef X Diver43mm
Power Reserve
M 4—
Reef X Diver40h
Water Resistance
M 4300m
Reef X Diver200m
MSRP
M 4—
Reef X Diver$499

Full specifications

Case

5 specs
Diameter
39mm
43mm
Thickness
12.1mm
12.7mm
Lug-to-Lug
46mm
50mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
—
Pink

Movement

2 specs
Caliber
Miyota 9039
Seiko NH35
Power Reserve
—
40h

Pricing

1 specs
MSRP
—
$499
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