Side by side

Aryon Waves Summer AutomaticvsSpinnaker Dumas GMT

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

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Waves Summer Automatic
AryonWaves Summer Automatic
MSRP $589
Dumas GMT
SpinnakerDumas GMT
MSRP $399
Buy from Aryon ↗
Buy used on eBay ↗
Buy from Spinnaker ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
Waves Summer Automatic42mm
Dumas GMT44mm
Power Reserve
Waves Summer Automatic70h
Dumas GMT40h
Water Resistance
Waves Summer Automatic100m
Dumas GMT300m
MSRP
Waves Summer Automatic$589
Dumas GMT$399

Full specifications

Case

7 specs
Category
—
GMT
Diameter
42mm
44mm
Thickness
11mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

2 specs
Caliber
Hangzhou 7010A
Seiko NH34A
Power Reserve
70h
40h

Pricing

1 specs
MSRP
—
$399
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