Side by side
Seestern S424 Full Lume PilotvsLum-Tec B64 Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
S424 Full Lume Pilot38mm
B64 Chronograph44mm
Power Reserve
S424 Full Lume Pilot41h
B64 Chronograph40h
Water Resistance
S424 Full Lume Pilot50m
B64 Chronograph100m
MSRP
S424 Full Lume Pilot$299
B64 Chronograph$545
Full specifications
Case
7 specsCategory
Pilot
Chronograph
Diameter
38mm
44mm
Thickness
11mm
—
Lug-to-Lug
46mm
51.5mm
Lug Width
19mm
22mm
Material
316L Stainless Steel
Titanium (DLC coated)
Water Resistance
50m
100m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Black
Standard
Lume
Full lume
None
Movement
5 specsCaliber
Seiko NH35A
—
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT
None
Pricing
1 specsMSRP
$299
$545
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