Side by side
Serket Watch Co Reef XvsSeiko 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
12 of 29 specs differDiameter
Reef X42.5mm
Prospex Sea Save the Ocean Special Edition42.4mm
Power Reserve
Reef X40h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Reef X200m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Reef X$399
Prospex Sea Save the Ocean Special Edition$550
Full specifications
Case
5 specsCategory
—
Diver
Diameter
42.5mm
42.4mm
Thickness
12.7mm
13.4mm
Lug-to-Lug
49mm
49.4mm
Lug Width
22mm
20mm
Crystal & Dial
3 specsCrystal
Sapphire
Hardlex
Dial Color
Yellow
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Miyota 8215
4R36
Power Reserve
40h
41h
Jewels
25
24
Pricing
1 specsMSRP
$399
$550
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