Side by side
Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited EditionvsJunghans 1972 Competition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition42.6mm
1972 Competition45.5mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition72h
1972 Competition—
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition300m
1972 Competition100m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition$3,900
1972 Competition$3,110
Full specifications
Case
6 specsCategory
Diver
—
Diameter
42.6mm
45.5mm
Thickness
14.1mm
—
Lug-to-Lug
49.3mm
0mm
Lug Width
20mm
0mm
Water Resistance
300m
100m
Crystal & Dial
3 specsCrystal Shape
Curved
—
AR Coating
Anti-reflective coating on inner surface
—
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
Seiko 8L45
Junghans J880
Power Reserve
72h
0h
Jewels
35
0
Pricing
1 specsMSRP
$3,900
$3,110
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