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
13 of 29 specs differDiameter
Reef46mm
Prospex Sea43.5mm
Power Reserve
Reef38h
Prospex Sea70h
Water Resistance
Reef300m
Prospex Sea200m
MSRP
Reef$899
Prospex Sea$1,500
Full specifications
Case
7 specsCategory
—
Diver
Diameter
46mm
43.5mm
Thickness
14mm
13.3mm
Lug-to-Lug
52mm
51mm
Lug Width
24mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m
Crystal & Dial
2 specsAR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Sellita SW200-1
6R35
Power Reserve
38h
70h
Jewels
25
24
Pricing
1 specsMSRP
$899
$1,500
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