Side by side
Seestern S424 Full Lume PilotvsGruppo Gamma Field III 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
Field III GMT40mm
Power Reserve
S424 Full Lume Pilot41h
Field III GMT41h
Water Resistance
S424 Full Lume Pilot50m
Field III GMT200m
MSRP
S424 Full Lume Pilot$299
Field III GMT$459
Full specifications
Case
7 specsCategory
Pilot
GMT
Diameter
38mm
40mm
Thickness
11mm
14mm
Lug-to-Lug
46mm
48.5mm
Lug Width
19mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
Full lume
Super-LumiNova
Movement
4 specsCaliber
Seiko NH35A
Seiko Instruments NH38A
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
41h
Jewels
24
25
Pricing
1 specsMSRP
$299
$459
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