Side by side
Fortis Marinemaster M-40vsGrand Seiko SBGW306
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Marinemaster M-4040mm
SBGW30636.5mm
Power Reserve
Marinemaster M-4038h
SBGW30672h
Water Resistance
Marinemaster M-40300m
SBGW306100m
MSRP
Marinemaster M-40$3,520
SBGW306$17,900
Full specifications
Case
7 specsCategory
Diver
Dress
Diameter
40mm
36.5mm
Thickness
13mm
11.7mm
Lug-to-Lug
—
42.7mm
Lug Width
21mm
18mm
Material
Stainless Steel
Gold
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
Orange
Black
Movement
4 specsCaliber
Sellita SW220-1
9S64
Type
Automatic
Manual
Power Reserve
38h
72h
Jewels
26
25
Pricing
1 specsMSRP
$3,520
$17,900
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