Side by side
Marnaut Safe Harbour 100CvsSeiko Prospex Sea The Black Series
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Safe Harbour 100C39mm
Prospex Sea The Black Series45mm
Power Reserve
Safe Harbour 100C41h
Prospex Sea The Black Series41h
Water Resistance
Safe Harbour 100C100m
Prospex Sea The Black Series200m
MSRP
Safe Harbour 100C$899
Prospex Sea The Black Series$765
Full specifications
Case
6 specsCategory
—
Diver
Diameter
39mm
45mm
Thickness
13mm
13.2mm
Lug-to-Lug
45mm
47.7mm
Lug Width
20mm
22mm
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
4R36
Power Reserve
41h
41h
Jewels
25
24
Pricing
1 specsMSRP
$899
$765
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