Fortis Marinemaster M-40vsUndone Rikishi Shiro Ao — White Blue

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Marinemaster M-40
FortisMarinemaster M-40

Ref. M-40·MSRP $3,520

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Rikishi Shiro Ao — White Blue
UndoneRikishi Shiro Ao — White Blue

MSRP $595

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Buy from Undone Used on eBay

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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.

Fortis Marinemaster M-40 at true scale

Marinemaster M-40

Undone Rikishi Shiro Ao — White Blue at true scale

Rikishi Shiro Ao — White Blue

Diameter

40mm

40mm

Thickness

13mm

lowest

13.8mm

Water Resistance

300m

highest

100m

Power Reserve

38h

n/a

MSRP

$3,520

$595

lowest

Movement

Sellita SW220-1

Seiko NE57

Case

4 specs
Thickness
13mm
13.8mm
Lug-to-Lug
n/a
n/a
Lug Width
21mm
n/a
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Orange
n/a

Movement

4 specs
Caliber
Sellita SW220-1
Seiko NE57
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
0h
Jewels
26
0

Pricing

1 specs
MSRP
$3,520
$595
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