Side by side

Serket Watch Co Reef MarianavsGrand Seiko SLGA015

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
SLGA015
Grand SeikoSLGA015
MSRP $12,600
Buy from Serket Watch Co ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
Reef Mariana40mm
SLGA01543.8mm
Power Reserve
Reef Mariana—
SLGA015120h
Water Resistance
Reef Mariana200m
SLGA015200m
MSRP
Reef Mariana$449
SLGA015$12,600

Full specifications

Case

6 specs
Category
—
Diver
Diameter
40mm
43.8mm
Thickness
13.2mm
13.8mm
Lug-to-Lug
47.5mm
51.5mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko NH35
9RA5
Type
Automatic
Spring Drive
Power Reserve
—
120h

Pricing

1 specs
MSRP
$449
$12,600
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DIFICIANO MarlinvsGrand Seiko SLGA015Serket Watch Co Reef X Diver Black DLCvsGrand Seiko SLGA015DIFICIANO NarwhalvsGrand Seiko SLGA015Grand Seiko SLGA015vsVentus Watches NorthstarRZE AspirarevsSerket Watch Co Reef MarianaSerket Watch Co Reef MarianavsSpinnaker Tesei Titanium
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