Helicon MastervsNivada Grenchen Antarctic Diver Aquamar
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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.
Master

Antarctic Diver Aquamar
Diameter
38.5mm
38mm
Lug-to-Lug
48mm
n/a
Thickness
13.1mm
12.9mm
lowest
Water Resistance
200m
200m
Power Reserve
42h
highest
38h
MSRP
n/a
$1,050
Movement
Automatic
Sellita SW200-1
Case
5 specsDiameter
38.5mm
38mm
Thickness
13.1mm
12.9mm
Lug-to-Lug
48mm
n/a
Lug Width
20mm
16mm
Caseback
n/a
Solid screw-down
Crystal & Dial
3 specsAR Coating
n/a
Underside
Dial Color
Orange
Black
Lume
None
Super-LumiNova
Movement
4 specsCaliber
n/a
Sellita SW200-1
Beat Rate
0 vph
4 vph
Power Reserve
42h
38h
Complications
None
GMT
Pricing
1 specsMSRP
n/a
$1,050
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