Side by side

Fortis Marinemaster M-40vsGrand Seiko SBGA481

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
SBGA481
Grand SeikoSBGA481
MSRP $11,100

At a glance

13 of 29 specs differ
Diameter
Marinemaster M-4040mm
SBGA48144.5mm
Power Reserve
Marinemaster M-4038h
SBGA48172h
Water Resistance
Marinemaster M-40300m
SBGA481200m
MSRP
Marinemaster M-40$3,520
SBGA481$11,100

Full specifications

Case

6 specs
Diameter
40mm
44.5mm
Thickness
13mm
14.3mm
Lug-to-Lug
50mm
Lug Width
21mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Orange
Black

Movement

4 specs
Caliber
Sellita SW220-1
9R65
Type
Automatic
Spring Drive
Power Reserve
38h
72h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$11,100

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

Grand Seiko SBGA481

Grand Seiko SBGA481 owners praise its light titanium case and sharp finishing, with one owner reporting it runs perfectly. Reviewers describe the SBGA481 as an unapologetically Grand Seiko creation with a unique hour hand and a "geeky, techy vibe" that some find daring. On balance, the consensus is that the Grand Seiko SBGA481 is a fun and daring watch that showcases the brand's distinctive design language.

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