Side by side

Fortis Marinemaster M-40vsGrand Seiko SBGA384

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

Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520
SBGA384
Grand SeikoSBGA384
MSRP $29,500

At a glance

13 of 29 specs differ
Diameter
Marinemaster M-4040mm
SBGA38440mm
Power Reserve
Marinemaster M-4038h
SBGA38472h
Water Resistance
Marinemaster M-40300m
SBGA384100m
MSRP
Marinemaster M-40$3,520
SBGA384$29,500

Full specifications

Case

6 specs
Category
Diver
Dress
Thickness
13mm
12.5mm
Lug-to-Lug
—
46.2mm
Lug Width
21mm
19mm
Material
Stainless Steel
Gold
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Orange
Black

Movement

4 specs
Caliber
Sellita SW220-1
9R15
Type
Automatic
Spring Drive
Power Reserve
38h
72h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$29,500

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