Undone Rikishi Ao — BluevsYema Navygraf Heritage
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Rikishi Ao — Blue

Navygraf Heritage
Diameter
40mm
39mm
Lug-to-Lug
n/a
46mm
Thickness
13.8mm
10.8mm
lowest
Water Resistance
100m
100m
MSRP
$595
lowest
$990
Movement
Seiko NE57
Sellita SW200-1
Case
6 specsCategory
Sport
Diver
Diameter
40mm
39mm
Thickness
13.8mm
10.85mm
Lug-to-Lug
n/a
46mm
Lug Width
n/a
19mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
1 specsDial Color
n/a
Black
Movement
1 specsCaliber
Seiko NE57
Sellita SW200-1
Pricing
1 specsMSRP
$595
$990
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