Side by side

Serket Watch Co Reef X DivervsSpinnaker Challenger Automatic

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

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Reef X Diver
Serket Watch CoReef X Diver
MSRP $499
Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289
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At a glance

8 of 29 specs differ
Diameter
Reef X Diver43mm
Challenger Automatic42mm
Power Reserve
Reef X Diver40h
Challenger Automatic40h
Water Resistance
Reef X Diver200m
Challenger Automatic200m
MSRP
Reef X Diver$499
Challenger Automatic$289

Full specifications

Case

5 specs
Category
—
Diver
Diameter
43mm
42mm
Thickness
12.7mm
19mm
Lug-to-Lug
50mm
49.5mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Pink
Blue

Movement

1 specs
Caliber
Seiko NH35
SII NH35A

Pricing

1 specs
MSRP
$499
$289
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