Side by side
Spinnaker Dumas GMTvsTrintec CoPilot Chronograph / Black / Quartz
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Dumas GMT44mm
CoPilot Chronograph / Black / Quartz42mm
Power Reserve
Dumas GMT—
CoPilot Chronograph / Black / Quartz—
Water Resistance
Dumas GMT300m
CoPilot Chronograph / Black / Quartz100m
MSRP
Dumas GMT$399
CoPilot Chronograph / Black / Quartz$400
Full specifications
Case
5 specsCategory
GMT
—
Diameter
44mm
42mm
Lug-to-Lug
48mm
54mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
1 specsDial Color
Blue
—
Movement
2 specsCaliber
Seiko NH34
Miyota OS20
Type
Automatic
Quartz
Pricing
1 specsMSRP
$399
$400
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