Side by side
Serket Watch Co Reef XvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited 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
Reef X42.5mm
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition42mm
Power Reserve
Reef X40h
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h
Water Resistance
Reef X200m
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m
MSRP
Reef X$399
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750
Full specifications
Case
6 specsCategory
—
Diver
Diameter
42.5mm
42mm
Thickness
12.7mm
13.3mm
Lug-to-Lug
49mm
48.6mm
Lug Width
22mm
20mm
Water Resistance
200m
300m
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Yellow
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Miyota 8215
6R54
Power Reserve
40h
72h
Jewels
25
24
Pricing
1 specsMSRP
$399
$1,750
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