Side by side
Seagull Day-date Calendar Tonneau WatchvsSpinnaker Dumas GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
10 of 29 specs differDiameter
Day-date Calendar Tonneau Watch36mm
Dumas GMT44mm
Power Reserve
Day-date Calendar Tonneau Watch—
Dumas GMT—
Water Resistance
Day-date Calendar Tonneau Watch50m
Dumas GMT300m
MSRP
Day-date Calendar Tonneau Watch$539
Dumas GMT$399
Full specifications
Case
7 specsCategory
—
GMT
Diameter
36mm
44mm
Thickness
12mm
15mm
Lug-to-Lug
40mm
48mm
Lug Width
11mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
300m
Crystal & Dial
1 specsDial Color
—
Blue
Movement
1 specsCaliber
ST2100
Seiko NH34
Pricing
1 specsMSRP
$539
$399
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