Side by side
Seiko 5 Sports SKX seriesvsUndone Popeye Mono Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
12 of 29 specs differDiameter
5 Sports SKX series38mm
Popeye Mono Automatic40mm
Power Reserve
5 Sports SKX series41h
Popeye Mono Automatic—
Water Resistance
5 Sports SKX series100m
Popeye Mono Automatic100m
MSRP
5 Sports SKX series$350
Popeye Mono Automatic$499
Full specifications
Case
5 specsCategory
Diver
—
Diameter
38mm
40mm
Thickness
12.1mm
0mm
Lug-to-Lug
44.2mm
0mm
Lug Width
20mm
0mm
Crystal & Dial
3 specsCrystal
Hardlex
—
Dial Color
—
—
Lume
LumiBrite on hands and index(es)
None
Movement
3 specsCaliber
Seiko 4R36
Seiko NH35
Power Reserve
41h
—
Jewels
24
0
Pricing
1 specsMSRP
$350
$499
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