Side by side
Serket Watch Co Reef XvsSeiko Prospex Marinemaster Marinemaster 1968 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 X42.5mm
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Power Reserve
Reef X40h
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h
Water Resistance
Reef X200m
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
MSRP
Reef X$399
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900
Full specifications
Case
6 specsCategory
—
Diver
Diameter
42.5mm
42.6mm
Thickness
12.7mm
13.4mm
Lug-to-Lug
49mm
49.3mm
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
Yellow
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Miyota 8215
8L35
Power Reserve
40h
50h
Jewels
25
26
Pricing
1 specsMSRP
$399
$2,900
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