Side by side
Spinnaker Dumas GMTvsStewart Dawson Royal Marines
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Dumas GMT44mm
Royal Marines42mm
Power Reserve
Dumas GMT40h
Royal Marines41h
Water Resistance
Dumas GMT300m
Royal Marines100m
MSRP
Dumas GMT$399
Royal Marines$1,451
Full specifications
Case
7 specsCategory
GMT
—
Diameter
44mm
42mm
Thickness
15mm
12.5mm
Lug-to-Lug
48mm
48mm
Lug Width
22mm
—
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
2 specsDial Color
Blue
Green
Lume
None
Super-LumiNova
Movement
2 specsCaliber
Seiko NH34A
Sellita SW200
Power Reserve
40h
41h
Pricing
1 specsMSRP
$399
—
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