Side by side
Spinnaker Challenger AutomaticvsZinvo Aquamarine
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures
At a glance
12 of 29 specs differDiameter
Challenger Automatic42mm
Aquamarine41mm
Power Reserve
Challenger Automatic—
Aquamarine42h
Water Resistance
Challenger Automatic200m
Aquamarine50m
MSRP
Challenger Automatic$289
Aquamarine$300
Full specifications
Case
7 specsCategory
Diver
—
Diameter
42mm
41mm
Thickness
19mm
7mm
Lug-to-Lug
49.5mm
0mm
Lug Width
22mm
25mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
50m
Crystal & Dial
1 specsDial Color
Blue
—
Movement
3 specsCaliber
Seiko NH35
Seiko VX32
Type
Automatic
Quartz
Power Reserve
0h
42h
Pricing
1 specsMSRP
$289
$300
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
DiscussionNot started
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.










