Side by side
Seestern S424 Full Lume PilotvsSpinnaker Dumas GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
S424 Full Lume Pilot38mm
Dumas GMT44mm
Power Reserve
S424 Full Lume Pilot41h
Dumas GMT40h
Water Resistance
S424 Full Lume Pilot50m
Dumas GMT300m
MSRP
S424 Full Lume Pilot$299
Dumas GMT$399
Full specifications
Case
6 specsCategory
Pilot
GMT
Diameter
38mm
44mm
Thickness
11mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
19mm
22mm
Water Resistance
50m
300m
Crystal & Dial
2 specsDial Color
Black
Blue
Lume
Full lume
None
Movement
5 specsCaliber
Seiko NH35A
Seiko NH34A
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT
None
Pricing
1 specsMSRP
$299
$399
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