Side by side

Serket Watch Co Reef MarianavsSeiko Monster

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

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Reef Mariana
Serket Watch CoReef Mariana
MSRP $449
Monster
SeikoMonster
MSRP $550
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Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
Reef Mariana40mm
Monster42.4mm
Power Reserve
Reef Mariana—
Monster41h
Water Resistance
Reef Mariana200m
Monster200m
MSRP
Reef Mariana$449
Monster$550

Full specifications

Case

4 specs
Category
—
Diver
Diameter
40mm
42.4mm
Thickness
13.2mm
13.4mm
Lug-to-Lug
47.5mm
49.4mm

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Orange
Black
Lume
BGW9
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH35
4R36
Power Reserve
—
41h
Jewels
25
24

Pricing

1 specs
MSRP
$449
$550
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