Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's WatchvsVero Watch Company Open Water 41
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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 Marinemaster Marinemaster 1965 Heritage Diver's Watch

Open Water 41
Diameter
39.5mm
40mm
Lug-to-Lug
47.2mm
47mm
lowest
Thickness
12.3mm
11mm
lowest
Water Resistance
200m
200m
Power Reserve
45h
highest
38h
MSRP
$2,800
n/a
Movement
Seiko 6L37
Sellita SW200-1
Case
3 specsDiameter
39.5mm
40mm
Thickness
12.3mm
11mm
Lug-to-Lug
47.2mm
47mm
Crystal & Dial
4 specsCrystal Shape
Box
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 6L37
Sellita SW200-1
Power Reserve
45h
38h
Jewels
26
0
Pricing
1 specsMSRP
$2,800
n/a
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