Side by side
Decima GatekeepervsSerket Watch Co Reef X
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Gatekeeper38mm
Reef X42.5mm
Power Reserve
Gatekeeper42h
Reef X40h
Water Resistance
Gatekeeper50m
Reef X200m
MSRP
Gatekeeper$599
Reef X$399
Full specifications
Case
5 specsDiameter
38mm
42.5mm
Thickness
9.9mm
12.7mm
Lug-to-Lug
46mm
49mm
Lug Width
46mm
22mm
Water Resistance
50m
200m
Crystal & Dial
2 specsAR Coating
Yes
Inner
Dial Color
White
Yellow
Movement
2 specsCaliber
Miyota 9039
Miyota 8215
Power Reserve
42h
40h
Pricing
1 specsMSRP
$599
$399
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