Side by side
Bremont ionBirdvsSeestern S424 Full Lume Pilot
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
ionBird43mm
S424 Full Lume Pilot38mm
Power Reserve
ionBird40h
S424 Full Lume Pilot41h
Water Resistance
ionBird—
S424 Full Lume Pilot50m
MSRP
ionBird$5,800
S424 Full Lume Pilot$299
Full specifications
Case
6 specsDiameter
43mm
38mm
Thickness
—
11mm
Lug-to-Lug
—
46mm
Lug Width
—
19mm
Material
Titanium
316L Stainless Steel
Water Resistance
—
50m
Crystal & Dial
2 specsDial Color
Regular length (15cm - 19cm wrist size)
Black
Lume
None
Full lume
Movement
5 specsCaliber
—
Seiko NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT
Pricing
1 specsMSRP
$5,800
$299
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