Side by side
Out of Order 40mm GMT AutomaticvsSpinnaker Dumas Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
40mm GMT Automatic40mm
Dumas Automatic44mm
Power Reserve
40mm GMT Automatic—
Dumas Automatic40h
Water Resistance
40mm GMT Automatic300m
Dumas Automatic300m
MSRP
40mm GMT Automatic—
Dumas Automatic$239
Full specifications
Case
6 specsCategory
—
Diver
Diameter
40mm
44mm
Thickness
13.3mm
15mm
Lug-to-Lug
47.5mm
48mm
Lug Width
—
22mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
1 specsDial Color
Yellow
Blue
Movement
2 specsCaliber
Seiko NH34A
SII NH35A
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$239
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