Side by side

Serket Watch Co Reef MarianavsGrand Seiko SLGH017

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
SLGH017
Grand SeikoSLGH017
MSRP $10,500
Buy from Serket Watch Co ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
Reef Mariana40mm
SLGH01740mm
Power Reserve
Reef Mariana—
SLGH01780h
Water Resistance
Reef Mariana200m
SLGH017100m
MSRP
Reef Mariana$449
SLGH017$10,500

Full specifications

Case

6 specs
Category
—
Dress
Thickness
13.2mm
11.7mm
Lug-to-Lug
47.5mm
47mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Orange
Black
Lume
BGW9
None

Movement

2 specs
Caliber
Seiko NH35
9SA5
Power Reserve
—
80h

Pricing

1 specs
MSRP
$449
$10,500
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