Bremont ionBirdvsZero West S4 Blackout P9427 Spitfire

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ionBird
BremontionBird

Ref. IONBIRDMODEL12020-R-S·MSRP $5,800

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S4 Blackout P9427 Spitfire
Zero WestS4 Blackout P9427 Spitfire

Ref. s4-blackout-p9427-1940

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Buy from Zero West Used on eBay

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Bremont ionBird at true scale

ionBird

Zero West S4 Blackout P9427 Spitfire at true scale

S4 Blackout P9427 Spitfire

Diameter

43mm

44mm

Lug-to-Lug

n/a

49.6mm

Thickness

n/a

14.1mm

Water Resistance

n/a

100m

Power Reserve

n/a

38h

MSRP

$5,800

n/a

Movement

Automatic

ETA 2824-2

Case

6 specs
Diameter
43mm
44mm
Thickness
n/a
14.1mm
Lug-to-Lug
n/a
49.6mm
Lug Width
n/a
22mm
Material
Titanium
Stainless Steel
Water Resistance
n/a
100m

Crystal & Dial

1 specs
Dial Color
Regular length (15cm - 19cm wrist size)
n/a

Movement

2 specs
Caliber
n/a
ETA 2824-2
Power Reserve
0h
38h

Pricing

1 specs
MSRP
$5,800
n/a
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