Seiko Prospex Sea 1965 Heritage Diver's WatchvsUnimatic Modello Quattro U4-GMT
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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 1965 Heritage Diver's Watch
Modello Quattro U4-GMT
Diameter
40mm
40mm
Lug-to-Lug
46.4mm
n/a
Thickness
13mm
2.8mm
lowest
Water Resistance
300m
300m
Power Reserve
72h
highest
41h
MSRP
$1,300
$920
lowest
Movement
Seiko 6R55
Seiko NH34
Case
3 specsThickness
13mm
2.8mm
Lug-to-Lug
46.4mm
n/a
Lug Width
20mm
n/a
Crystal & Dial
4 specsCrystal Shape
Curved
n/a
AR 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 6R55
Seiko NH34
Power Reserve
72h
41h
Jewels
24
0
Pricing
1 specsMSRP
$1,300
$920
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