Side by side
Marnaut Safe Harbour 100CvsSeiko Prospex Sea Save the Ocean Special Edition
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 Save the Ocean Special Edition42.4mm
Power Reserve
Safe Harbour 100C41h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Safe Harbour 100C100m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Safe Harbour 100C$899
Prospex Sea Save the Ocean Special Edition$550
Full specifications
Case
5 specsCategory
—
Diver
Diameter
39mm
42.4mm
Thickness
13mm
13.4mm
Lug-to-Lug
45mm
49.4mm
Water Resistance
100m
200m
Crystal & Dial
2 specsCrystal
Sapphire
Hardlex
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Sellita SW200-1
4R36
Power Reserve
41h
41h
Jewels
25
24
Pricing
1 specsMSRP
$899
$550
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 Save the Ocean Special Edition 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 Save the Ocean Special EditionPompeak Sub-AquaticvsSeiko Prospex Sea Save the Ocean Special EditionEza 1972 DivervsSeiko Prospex Sea Save the Ocean Special EditionCircula Watches SuperSportvsSeiko Prospex Sea Save the Ocean Special EditionMarnaut Safe Harbour 100CvsBorealis Watch Co. JamantaBorealis Watch Co. Caloura 300mvsMarnaut Safe Harbour 100C











