Side by side
Marnaut Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)vsSeiko Prospex Sea 1968 Heritage Diver's GMT
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 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)39mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)41h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)100m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)$1,042
Prospex Sea 1968 Heritage Diver's GMT$1,500
Full specifications
Case
5 specsCategory
—
Diver
Diameter
39mm
42mm
Thickness
13mm
12.9mm
Lug-to-Lug
45mm
48.6mm
Water Resistance
100m
200m
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
—
$1,500
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 Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons) vs Seiko Prospex Sea 1968 Heritage Diver's GMT 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.
Radcliffe Watches X M-DVRvsSeiko Prospex Sea 1968 Heritage Diver's GMTLima Watch Meca Revolt Meca/Seconde 38mm cushion small-seconds subdialvsSeiko Prospex Sea 1968 Heritage Diver's GMTMarnaut Safe Harbour 100CvsSeiko Prospex Sea 1968 Heritage Diver's GMTIkepod ManateevsSeiko Prospex Sea 1968 Heritage Diver's GMTGeckota Sea-Hunter Dive WatchvsMarnaut Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)Marnaut Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)vsCWC 1980 RN Divers Automatic Re-Issue Watch