Side by side
Christopher Ward C65 Dune AeolianvsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
C65 Dune Aeolian43.6mm
Reef Mariana40mm
Power Reserve
C65 Dune Aeolian38h
Reef Mariana—
Water Resistance
C65 Dune Aeolian150m
Reef Mariana200m
MSRP
C65 Dune Aeolian$1,335
Reef Mariana$449
Full specifications
Case
6 specsDiameter
43.6mm
40mm
Thickness
11.7mm
13.2mm
Lug-to-Lug
43.6mm
47.5mm
Finish
Brushed + Polished
Brushed and polished
Water Resistance
150m
200m
Caseback
Display
Solid
Crystal & Dial
2 specsDial Color
Blue
Orange
Lume
SLN BL Grade X1
BGW9
Movement
5 specsCaliber
SW200
Seiko NH35
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
—
Jewels
26
25
Complications
Moonphase, Day-date
None
Pricing
1 specsMSRP
$1,335
$449
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