Side by side
Marnaut Safe Harbour 100CvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Safe Harbour 100C39mm
Prospex Sea 1968 Heritage Diver's GMT Watch42mm
Power Reserve
Safe Harbour 100C41h
Prospex Sea 1968 Heritage Diver's GMT Watch72h
Water Resistance
Safe Harbour 100C100m
Prospex Sea 1968 Heritage Diver's GMT Watch300m
MSRP
Safe Harbour 100C$899
Prospex Sea 1968 Heritage Diver's GMT Watch$1,700
Full specifications
Case
5 specsCategory
—
Diver
Diameter
39mm
42mm
Thickness
13mm
13.3mm
Lug-to-Lug
45mm
48.6mm
Water Resistance
100m
300m
Crystal & Dial
2 specsAR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Sellita SW200-1
6R54
Power Reserve
41h
72h
Jewels
25
24
Pricing
1 specsMSRP
$899
$1,700
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Marnaut Safe Harbour 100C vs Seiko Prospex Sea 1968 Heritage Diver's GMT Watch gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Marnaut Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)vsSeiko Prospex Sea 1968 Heritage Diver's GMT WatchPompeak Sub-AquaticvsSeiko Prospex Sea 1968 Heritage Diver's GMT WatchEza 1972 DivervsSeiko Prospex Sea 1968 Heritage Diver's GMT WatchCircula Watches SuperSportvsSeiko Prospex Sea 1968 Heritage Diver's GMT WatchEcho/Neutra Cristallo Professional Diver 500mvsMarnaut Safe Harbour 100CGeckota PhalanxvsMarnaut Safe Harbour 100C