Helicon Siebe Gorman Type D Professional DivervsStowa Prodiver

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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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Prodiver
StowaProdiver

Ref. prodiver-black

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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.

Helicon Siebe Gorman Type D Professional Diver at true scale

Siebe Gorman Type D Professional Diver

Stowa Prodiver at true scale

Prodiver

Diameter

41mm

42mm

Lug-to-Lug

47.5mm

lowest

50.3mm

Thickness

11.9mm

lowest

15.6mm

Water Resistance

300m

1000m

highest

Power Reserve

42h

n/a

MSRP

$746

n/a

Movement

Miyota 9039

Sellita SW200-1

Case

6 specs
Diameter
41mm
42mm
Thickness
11.9mm
15.6mm
Lug-to-Lug
47.5mm
50.3mm
Lug Width
20mm
22mm
Material
Stainless Steel
aluminium
Water Resistance
300m
1000m

Crystal & Dial

1 specs
Dial Color
n/a
n/a

Movement

2 specs
Caliber
Miyota 9039
Sellita SW200-1
Power Reserve
42h
0h

Pricing

1 specs
MSRP
$746
n/a
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