Side by side
Bremont ionBirdvsGrand Seiko SBGA384
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
ionBird43mm
SBGA38440mm
Power Reserve
ionBird40h
SBGA38472h
Water Resistance
ionBird—
SBGA384100m
MSRP
ionBird$5,800
SBGA384$29,500
Full specifications
Case
7 specsCategory
Pilot
Dress
Diameter
43mm
40mm
Thickness
—
12.5mm
Lug-to-Lug
—
46.2mm
Lug Width
—
19mm
Material
Titanium
Gold
Water Resistance
—
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
Regular length (15cm - 19cm wrist size)
Black
Movement
3 specsCaliber
—
9R15
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Pricing
1 specsMSRP
$5,800
$29,500
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