Side by side
Mark Time Watches M 4vsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
M 439mm
Reef Mariana40mm
Power Reserve
M 4—
Reef Mariana—
Water Resistance
M 4300m
Reef Mariana200m
MSRP
M 4—
Reef Mariana$449
Full specifications
Case
4 specsDiameter
39mm
40mm
Thickness
12.1mm
13.2mm
Lug-to-Lug
46mm
47.5mm
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
—
Orange
Lume
None
BGW9
Movement
1 specsCaliber
Miyota 9039
Seiko NH35
Pricing
1 specsMSRP
—
$449
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