Helicon MastervsSeiko Prospex Sea 1965 Heritage Diver's Watch
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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
Prospex Sea 1965 Heritage Diver's Watch
Diameter
38.5mm
40mm
Lug-to-Lug
48mm
46.4mm
lowest
Thickness
13.1mm
13mm
lowest
Water Resistance
200m
300m
highest
Power Reserve
42h
72h
highest
MSRP
n/a
$1,300
Movement
Automatic
Seiko 6R55
Case
4 specsDiameter
38.5mm
40mm
Thickness
13.1mm
13mm
Lug-to-Lug
48mm
46.4mm
Water Resistance
200m
300m
Crystal & Dial
4 specsCrystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Orange
n/a
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
n/a
Seiko 6R55
Power Reserve
42h
72h
Jewels
0
24
Pricing
1 specsMSRP
n/a
$1,300
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