Hemel HD24 AutomaticvsSeiko 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.
HD24 Automatic
Prospex Sea 1965 Heritage Diver's Watch
Diameter
40mm
40mm
Lug-to-Lug
48mm
46.4mm
lowest
Thickness
13mm
13mm
Water Resistance
200m
300m
highest
Power Reserve
n/a
72h
MSRP
$300
lowest
$1,300
Movement
Seiko NH38
Seiko 6R55
Case
3 specsLug-to-Lug
48mm
46.4mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
300m
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Gallant USAF Edition
n/a
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH38
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24
Pricing
1 specsMSRP
$300
$1,300
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