Side by side
Seestern S424 Full Lume PilotvsSmiths BABY SPEEDBIRD PRS-51
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
BABY SPEEDBIRD PRS-5136mm
Power Reserve
S424 Full Lume Pilot41h
BABY SPEEDBIRD PRS-51—
Water Resistance
S424 Full Lume Pilot50m
BABY SPEEDBIRD PRS-51100m
MSRP
S424 Full Lume Pilot$299
BABY SPEEDBIRD PRS-51—
Full specifications
Case
7 specsCategory
Pilot
—
Diameter
38mm
36mm
Thickness
11mm
11.4mm
Lug-to-Lug
46mm
42mm
Lug Width
19mm
18mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m
Crystal & Dial
1 specsLume
Full lume
SuperLuminova
Movement
5 specsCaliber
Seiko NH35A
Miyota 9015
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
—
Jewels
24
25
Complications
GMT
None
Pricing
1 specsMSRP
$299
—
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