Side by side
Spinnaker Challenger AutomaticvsUndone Urban Stellar Tiff Blue
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
13 of 29 specs differDiameter
Challenger Automatic42mm
Urban Stellar Tiff Blue40mm
Power Reserve
Challenger Automatic—
Urban Stellar Tiff Blue—
Water Resistance
Challenger Automatic200m
Urban Stellar Tiff Blue30m
MSRP
Challenger Automatic$289
Urban Stellar Tiff Blue$265
Full specifications
Case
7 specsCategory
Diver
—
Diameter
42mm
40mm
Thickness
19mm
0mm
Lug-to-Lug
49.5mm
0mm
Lug Width
22mm
0mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
30m
Crystal & Dial
2 specsCrystal
Sapphire
—
Dial Color
Blue
—
Movement
3 specsCaliber
Seiko NH35
Seiko VK64
Type
Automatic
Quartz
Power Reserve
0h
—
Pricing
1 specsMSRP
$289
$265
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