Side by side
MKII Key WestvsSeiko 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
Key West40mm
Prospex Sea Save the Ocean Special Edition43.8mm
Power Reserve
Key West—
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Key West200m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Key West$1,694
Prospex Sea Save the Ocean Special Edition$650
Full specifications
Case
5 specsCategory
—
Diver
Diameter
40mm
43.8mm
Thickness
—
12.8mm
Lug-to-Lug
—
48.7mm
Lug Width
—
22mm
Crystal & Dial
2 specsAR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
ETA 2893-2
4R35
Power Reserve
—
41h
Jewels
25
23
Pricing
1 specsMSRP
—
$650
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