Side by side
Fortis Marinemaster M-40vsGrand Seiko SBGA385
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Marinemaster M-4040mm
SBGA38540mm
Power Reserve
Marinemaster M-4038h
SBGA38572h
Water Resistance
Marinemaster M-40300m
SBGA385100m
MSRP
Marinemaster M-40$3,520
SBGA385$53,000
Full specifications
Case
6 specsCategory
Diver
Dress
Thickness
13mm
12.5mm
Lug-to-Lug
—
46.2mm
Lug Width
21mm
19mm
Material
Stainless Steel
Platinum
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
Orange
Black
Movement
4 specsCaliber
Sellita SW220-1
9R15
Type
Automatic
Spring Drive
Power Reserve
38h
72h
Jewels
26
25
Pricing
1 specsMSRP
$3,520
$53,000
Follow this matchup
Get a note when Fortis Marinemaster M-40 vs Grand Seiko SBGA385 gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Marathon Arctic OSAR 41mm AutomaticvsGrand Seiko SBGA385Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsGrand Seiko SBGA385Marathon Arctic OSAR 36mm AutomaticvsGrand Seiko SBGA385Bremont S302vsGrand Seiko SBGA385Fortis Marinemaster M-40vsYema Wristmaster Slim Small Seconds CMM.29Fortis Marinemaster M-40vsYema Granvelle CMM.29











