Side by side
Spinnaker Challenger AutomaticvsZero West M1 Mosquito (44mm)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Challenger Automatic42mm
M1 Mosquito (44mm)44mm
Power Reserve
Challenger Automatic40h
M1 Mosquito (44mm)41h
Water Resistance
Challenger Automatic200m
M1 Mosquito (44mm)100m
MSRP
Challenger Automatic$289
M1 Mosquito (44mm)$4,770
Full specifications
Case
6 specsCategory
Diver
—
Diameter
42mm
44mm
Thickness
19mm
14.1mm
Lug-to-Lug
49.5mm
49.6mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
1 specsDial Color
Blue
Black
Movement
2 specsCaliber
SII NH35A
Sellita SW200-1
Power Reserve
40h
41h
Pricing
1 specsMSRP
$289
$4,770
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