Which is bigger, the Serket Watch Co Reef X Diver Black DLC or the Grand Seiko SLGA001?

The Grand Seiko SLGA001 wears larger at 46.9mm versus 43mm for the Serket Watch Co Reef X Diver Black DLC — a 3.9mm difference across the dial.

Which has better water resistance, the Serket Watch Co Reef X Diver Black DLC or the Grand Seiko SLGA001?

The Serket Watch Co Reef X Diver Black DLC is rated to 200m versus 100m for the Grand Seiko SLGA001.

What movement does the Serket Watch Co Reef X Diver Black DLC run compared to the Grand Seiko SLGA001?

The Serket Watch Co Reef X Diver Black DLC runs a automatic caliber (Seiko NH35), while the Grand Seiko SLGA001 runs a spring drive (9RA5).

Side by side

Serket Watch Co Reef X Diver Black DLCvsGrand Seiko SLGA001

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

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Serket Watch Co Reef X Diver Black DLC

Grand Seiko SLGA001

slga001g

MSRP $11,100

Buy from Serket Watch Co ↗

Buy used on eBay ↗

Buy from Grand Seiko ↗

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At a glance

12 of 29 specs differ

Diameter

Reef X Diver Black DLC43mm

SLGA00146.9mm

Power Reserve

Reef X Diver Black DLC—

SLGA001120h

Water Resistance

Reef X Diver Black DLC200m

SLGA001100m

MSRP

Reef X Diver Black DLC—

SLGA001$11,100

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Pink

Black

Movement

3 specs

Caliber

Seiko NH35

9RA5

Type

Automatic

Spring Drive

Power Reserve

—

120h

Pricing

1 specs

MSRP

—

$11,100

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All alternatives to the Reef X Diver Black DLC →All alternatives to the SLGA001 →

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