Side by side

Serket Watch Co Reef MarianavsGrand Seiko SLGW007

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
SLGW007
Grand SeikoSLGW007
MSRP $10,000
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Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
Reef Mariana40mm
SLGW00738.6mm
Power Reserve
Reef Mariana—
SLGW00780h
Water Resistance
Reef Mariana200m
SLGW00730m
MSRP
Reef Mariana$449
SLGW007$10,000

Full specifications

Case

5 specs
Category
—
Dress
Diameter
40mm
38.6mm
Thickness
13.2mm
9.95mm
Lug-to-Lug
47.5mm
45mm
Water Resistance
200m
30m

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko NH35
9SA4
Type
Automatic
Manual
Power Reserve
—
80h

Pricing

1 specs
MSRP
$449
$10,000
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DIFICIANO MarlinvsGrand Seiko SLGW007Serket Watch Co Reef X Diver Black DLCvsGrand Seiko SLGW007DIFICIANO NarwhalvsGrand Seiko SLGW007Grand Seiko SLGW007vsVentus Watches NorthstaranOrdain The Pink Dial ProjectvsSerket Watch Co Reef MarianaanOrdain Model 1 (Group Buy)vsSerket Watch Co Reef Mariana
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