Side by side
Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsMarnaut Safe Harbour 100C
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Safe Harbour 100C39mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
Safe Harbour 100C41h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
Safe Harbour 100C100m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600
Safe Harbour 100C$899
Full specifications
Case
5 specsCategory
Diver
—
Diameter
42.6mm
39mm
Thickness
14.1mm
13mm
Lug-to-Lug
49.3mm
45mm
Water Resistance
300m
100m
Crystal & Dial
3 specsCrystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
8L45
Sellita SW200-1
Power Reserve
72h
41h
Jewels
35
25
Pricing
1 specsMSRP
$3,600
$899
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