Side by side
Orient RA-AC0K Diver WatchvsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
RA-AC0K Diver Watch43.4mm
Reef Mariana40mm
Power Reserve
RA-AC0K Diver Watch40h
Reef Mariana—
Water Resistance
RA-AC0K Diver Watch200m
Reef Mariana200m
MSRP
RA-AC0K Diver Watch$455
Reef Mariana$449
Full specifications
Case
5 specsCategory
Diver
—
Diameter
43.4mm
40mm
Thickness
12.8mm
13.2mm
Lug-to-Lug
51mm
47.5mm
Lug Width
22mm
20mm
Crystal & Dial
5 specsCrystal Shape
—
Flat
AR Coating
—
Inner
Dial Color
Black
Orange
Indices
—
Applied
Lume
None
BGW9
Movement
5 specsCaliber
F6722
Seiko NH35
Beat Rate
21,600 vph
28,800 vph
Power Reserve
40h
—
Jewels
22
25
Complications
Date
None
Pricing
1 specsMSRP
$455
$449
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