Side by side

Fortis Marinemaster M-40vsNaga Watches Opera

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520
Opera
Naga WatchesOpera
MSRP $917
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At a glance

10 of 29 specs differ
Diameter
Marinemaster M-4040mm
Opera39mm
Power Reserve
Marinemaster M-4038h
Opera—
Water Resistance
Marinemaster M-40300m
Opera100m
MSRP
Marinemaster M-40$3,520
Opera$917

Full specifications

Case

5 specs
Category
Diver
—
Diameter
40mm
39mm
Thickness
13mm
10mm
Lug Width
21mm
—
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Orange
Lapislazuli

Movement

3 specs
Caliber
Sellita SW220-1
Miyota 9039
Power Reserve
38h
—
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
—
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