Belhamel Contra A39 Polar WhitevsSeiko Prospex Sea

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Contra A39 Polar White
BelhamelContra A39 Polar White

Ref. A39·MSRP $481

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Prospex Sea
SeikoProspex Sea

MSRP $1,100

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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.

Belhamel Contra A39 Polar White at true scale

Contra A39 Polar White

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

39mm

41.3mm

Lug-to-Lug

47mm

lowest

48.2mm

Thickness

11.8mm

lowest

12.5mm

Water Resistance

300m

300m

Power Reserve

n/a

72h

MSRP

$481

lowest

$1,100

Movement

Miyota 9039

Seiko 6R55

Case

3 specs
Diameter
39mm
41.3mm
Thickness
11.8mm
12.5mm
Lug-to-Lug
47mm
48.2mm

Crystal & Dial

2 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Lume
Super-LumiNova BGW9
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9039
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$481
$1,100
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