Seiko Prospex Sea 1968 Heritage Diver's GMTvsZelos Hammerhead V3 300m
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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.
Prospex Sea 1968 Heritage Diver's GMT
Hammerhead V3 300m
Diameter
42mm
44mm
Lug-to-Lug
48.6mm
48mm
lowest
Thickness
12.9mm
lowest
13mm
Water Resistance
200m
300m
highest
Power Reserve
72h
n/a
MSRP
$1,500
$449
lowest
Movement
Seiko 6R54
Seiko NH35
Case
5 specsDiameter
42mm
44mm
Thickness
12.9mm
13mm
Lug-to-Lug
48.6mm
48mm
Lug Width
20mm
22mm
Water Resistance
200m
300m
Crystal & Dial
3 specsAR Coating
Anti-reflective coating on inner surface
n/a
Dial Color
n/a
n/a
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
Seiko 6R54
Seiko NH35
Power Reserve
72h
0h
Jewels
24
0
Pricing
1 specsMSRP
$1,500
$449
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