Side by side
Serket Watch Co ReefvsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Reef46mm
Prospex Sea41.3mm
Power Reserve
Reef38h
Prospex Sea72h
Water Resistance
Reef300m
Prospex Sea300m
MSRP
Reef$899
Prospex Sea$1,100
Full specifications
Case
5 specsCategory
—
Diver
Diameter
46mm
41.3mm
Thickness
14mm
12.5mm
Lug-to-Lug
52mm
48.2mm
Lug Width
24mm
20mm
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
6R55
Power Reserve
38h
72h
Jewels
25
24
Pricing
1 specsMSRP
$899
$1,100
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