Side by side

Bremont ionBirdvsWilliam Wood International Association of Fire

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

ionBird
BremontionBird
MSRP $5,800
International Association of Fire
William WoodInternational Association of Fire
MSRP $820

At a glance

11 of 29 specs differ
Diameter
ionBird43mm
International Association of Fire41mm
Power Reserve
ionBird40h
International Association of Fire40h
Water Resistance
ionBird—
International Association of Fire100m
MSRP
ionBird$5,800
International Association of Fire$820

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
43mm
41mm
Thickness
—
15mm
Lug-to-Lug
—
49mm
Lug Width
—
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
—
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Regular length (15cm - 19cm wrist size)
Standard

Movement

1 specs
Caliber
—
Seiko NH35

Pricing

1 specs
MSRP
$5,800
$820

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