Seiko Prospex Sea 1965 Heritage Diver's WatchvsUndone Rikishi Aka
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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
Rikishi Aka
Diameter
40mm
40mm
Lug-to-Lug
46.4mm
n/a
Thickness
13mm
lowest
13.8mm
Water Resistance
300m
highest
100m
Power Reserve
72h
n/a
MSRP
$1,300
$595
lowest
Movement
Seiko 6R55
Seiko NE57
Case
5 specsCategory
Diver
Sport
Thickness
13mm
13.8mm
Lug-to-Lug
46.4mm
n/a
Lug Width
20mm
n/a
Water Resistance
300m
100m
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 NE57
Power Reserve
72h
0h
Jewels
24
0
Pricing
1 specsMSRP
$1,300
$595
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