Side by side
Spinnaker Dumas GMTvsTSAO Baltimore Founders Edition Bronze-Grey
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Dumas GMT44mm
Founders Edition Bronze-Grey42mm
Power Reserve
Dumas GMT40h
Founders Edition Bronze-Grey42h
Water Resistance
Dumas GMT300m
Founders Edition Bronze-Grey100m
MSRP
Dumas GMT$399
Founders Edition Bronze-Grey$425
Full specifications
Case
7 specsCategory
GMT
—
Diameter
44mm
42mm
Thickness
15mm
14mm
Lug-to-Lug
48mm
50mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
1 specsDial Color
Blue
—
Movement
2 specsCaliber
Seiko NH34A
Miyota 9015
Power Reserve
40h
42h
Pricing
1 specsMSRP
$399
$425
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