Brillier Airborne Supersonic X-1vsSeiko Prospex Sea

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Airborne Supersonic X-1
BrillierAirborne Supersonic X-1

MSRP $595

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Prospex Sea
SeikoProspex Sea

MSRP $595

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Buy from Seiko 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.

Brillier Airborne Supersonic X-1 at true scale

Airborne Supersonic X-1

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

42mm

41.7mm

Lug-to-Lug

n/a

49.5mm

Thickness

13mm

12.3mm

lowest

Water Resistance

200m

200m

Power Reserve

60h

highest

41h

MSRP

$595

$595

Movement

Miyota 8315

Seiko 4R35

Case

3 specs
Diameter
42mm
41.7mm
Thickness
13mm
12.3mm
Lug-to-Lug
n/a
49.5mm

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 8315
Seiko 4R35
Power Reserve
60h
41h
Jewels
0
23
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