Side by side
Seestern S424 Full Lume PilotvsFormex Reef 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
Reef GMT42mm
Power Reserve
S424 Full Lume Pilot41h
Reef GMT56h
Water Resistance
S424 Full Lume Pilot50m
Reef GMT300m
MSRP
S424 Full Lume Pilot$299
Reef GMT$2,235
Full specifications
Case
7 specsCategory
Pilot
GMT
Diameter
38mm
42mm
Thickness
11mm
11.4mm
Lug-to-Lug
46mm
47mm
Lug Width
19mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
300m
Crystal & Dial
1 specsLume
Full lume
Super-LumiNova
Movement
5 specsCaliber
Seiko NH35A
Sellita SW330-2
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
56h
Jewels
24
25
Complications
GMT
None
Pricing
1 specsMSRP
$299
$2,235
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