Side by side
MKII Project 300vsSeiko 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
13 of 29 specs differDiameter
Project 30041.25mm
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
Project 300—
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Project 300300m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Project 300$1,995
Prospex Sea Save the Ocean Special Edition$625
Full specifications
Case
6 specsCategory
—
Diver
Diameter
41.25mm
45mm
Thickness
13.45mm
13.2mm
Lug-to-Lug
—
47.7mm
Lug Width
20mm
22mm
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
ETA 2824-2
4R36
Power Reserve
—
41h
Jewels
25
24
Pricing
1 specsMSRP
$1,995
$625
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