Side by side

A-13A A-13AvsSerket Watch Co Reef Mariana

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

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A-13A
A-13AA-13A
Reef Mariana
Serket Watch CoReef Mariana
MSRP $449
Buy from A-13A ↗
Buy used on eBay ↗
Buy from Serket Watch Co ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
A-13A42mm
Reef Mariana40mm
Power Reserve
A-13A—
Reef Mariana—
Water Resistance
A-13A100m
Reef Mariana200m
MSRP
A-13A—
Reef Mariana$449

Full specifications

Case

4 specs
Diameter
42mm
40mm
Thickness
13.4mm
13.2mm
Lug-to-Lug
50.8mm
47.5mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
Dial Color
—
Orange
Lume
None
BGW9

Movement

2 specs
Caliber
ETA 251.264
Seiko NH35
Type
Quartz
Automatic

Pricing

1 specs
MSRP
—
$449
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