Side by side
Serket Watch Co Reef X DivervsSeiko Prospex Sea 1965 Heritage Diver's Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Reef X Diver43mm
Prospex Sea 1965 Heritage Diver's Watch40mm
Power Reserve
Reef X Diver40h
Prospex Sea 1965 Heritage Diver's Watch72h
Water Resistance
Reef X Diver200m
Prospex Sea 1965 Heritage Diver's Watch300m
MSRP
Reef X Diver$499
Prospex Sea 1965 Heritage Diver's Watch$1,300
Full specifications
Case
6 specsCategory
—
Diver
Diameter
43mm
40mm
Thickness
12.7mm
13mm
Lug-to-Lug
50mm
46.4mm
Lug Width
22mm
20mm
Water Resistance
200m
300m
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Pink
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH35
6R55
Power Reserve
40h
72h
Jewels
25
24
Pricing
1 specsMSRP
$499
$1,300
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