Side by side
Seiko 5 Sports Field seriesvsUndone Rikishi Ao — 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
5 Sports Field series39.4mm
Rikishi Ao — Blue40mm
Power Reserve
5 Sports Field series41h
Rikishi Ao — Blue—
Water Resistance
5 Sports Field series100m
Rikishi Ao — Blue100m
MSRP
5 Sports Field series$315
Rikishi Ao — Blue$595
Full specifications
Case
5 specsCategory
Sport
—
Diameter
39.4mm
40mm
Thickness
13.2mm
13.8mm
Lug-to-Lug
48.1mm
0mm
Lug Width
20mm
0mm
Crystal & Dial
4 specsCrystal
Hardlex
Sapphire
Crystal Shape
Curved
—
Dial Color
—
—
Lume
LumiBrite on hands and index(es)
None
Movement
3 specsCaliber
Seiko 4R36
Seiko NE57
Power Reserve
41h
0h
Jewels
24
0
Pricing
1 specsMSRP
$315
$595
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