Side by side

Serket Watch Co Reef XvsSpinnaker Dumas Automatic

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

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Reef X
Serket Watch CoReef X
MSRP $399
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239
Buy from Serket Watch Co ↗
Buy used on eBay ↗
Buy from Spinnaker ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
Reef X42.5mm
Dumas Automatic44mm
Power Reserve
Reef X40h
Dumas Automatic40h
Water Resistance
Reef X200m
Dumas Automatic300m
MSRP
Reef X$399
Dumas Automatic$239

Full specifications

Case

6 specs
Category
—
Diver
Diameter
42.5mm
44mm
Thickness
12.7mm
15mm
Lug-to-Lug
49mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

1 specs
Dial Color
Yellow
Blue

Movement

1 specs
Caliber
Miyota 8215
SII NH35A

Pricing

1 specs
MSRP
$399
$239
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