Side by side
Aera Instruments M-1vsChristopher Ward C63 Sealander GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
M-139mm
C63 Sealander GMT42mm
Power Reserve
M-142h
C63 Sealander GMT56h
Water Resistance
M-1100m
C63 Sealander GMT150m
MSRP
M-1—
C63 Sealander GMT$1,675
Full specifications
Case
8 specsCategory
—
GMT
Diameter
39mm
42mm
Thickness
13.14mm
11.5mm
Lug-to-Lug
47.6mm
48.5mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Brushed + Polished + Sandblasted
Water Resistance
100m
150m
Caseback
Solid
Display
Crystal & Dial
2 specsDial Color
Dune
Blue
Lume
Super-LumiNova
SLN X1 BL C1
Movement
5 specsCaliber
Sellita SW216-1
SW330
Type
Manual
Automatic
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
56h
Complications
None
GMT, Moonphase, Day-date
Pricing
1 specsMSRP
—
$1,675
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