Side by side
Seestern S424 Full Lume PilotvsGrand Seiko SBGM221
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
SBGM22139.5mm
Power Reserve
S424 Full Lume Pilot41h
SBGM22172h
Water Resistance
S424 Full Lume Pilot50m
SBGM22130m
MSRP
S424 Full Lume Pilot$299
SBGM221$5,400
Full specifications
Case
6 specsCategory
Pilot
GMT
Diameter
38mm
39.5mm
Thickness
11mm
13.7mm
Lug-to-Lug
46mm
46.9mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
30m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
Full lume
None
Movement
5 specsCaliber
Seiko NH35A
9S66
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
72h
Jewels
24
25
Complications
GMT
None
Pricing
1 specsMSRP
$299
$5,400
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