Belhamel Contra A39vsHelicon Siebe Gorman Type D Professional Diver

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Contra A39
BelhamelContra A39

Ref. A39

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Siebe Gorman Type D Professional Diver
HeliconSiebe Gorman Type D Professional Diver

Ref. siebe-gorman-type-d-professional-diver-abyss-blue-limited-edition-vip-pre-order·MSRP $746

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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 at true scale

Contra A39

Helicon Siebe Gorman Type D Professional Diver at true scale

Siebe Gorman Type D Professional Diver

Diameter

39mm

41mm

Lug-to-Lug

47mm

lowest

47.5mm

Thickness

11.8mm

lowest

11.9mm

Water Resistance

300m

300m

Power Reserve

n/a

42h

MSRP

n/a

$746

Movement

Miyota 9039

Miyota 9039

Case

3 specs
Diameter
39mm
41mm
Thickness
11.8mm
11.9mm
Lug-to-Lug
47mm
47.5mm

Crystal & Dial

3 specs
AR Coating
Yes
n/a
Dial Color
n/a
n/a
Lume
Super-LumiNova BGW9
None

Movement

1 specs
Power Reserve
0h
42h

Pricing

1 specs
MSRP
n/a
$746
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