Akrone S-05 Bleu TonnerrevsSeiko Prospex Speedtimer

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S-05 Bleu Tonnerre
AkroneS-05 Bleu Tonnerre

MSRP $249

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Prospex Speedtimer
SeikoProspex Speedtimer

MSRP $725

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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.

Akrone S-05 Bleu Tonnerre at true scale

S-05 Bleu Tonnerre

Seiko Prospex Speedtimer at true scale

Prospex Speedtimer

Diameter

39mm

39mm

Lug-to-Lug

46mm

45.5mm

lowest

Thickness

11.4mm

lowest

13.3mm

Water Resistance

300m

highest

100m

MSRP

$249

lowest

$725

Movement

Seiko VK64

Seiko V192

Case

4 specs
Thickness
11.4mm
13.3mm
Lug-to-Lug
46mm
45.5mm
Material
Titanium
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Seiko VK64
Seiko V192
Type
Meca-Quartz
Quartz

Pricing

1 specs
MSRP
$249
$725
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