Side by side

Fortis Marinemaster M-40vsGrand Seiko SBGH341

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
SBGH341
Grand SeikoSBGH341
MSRP $7,900

At a glance

13 of 29 specs differ
Diameter
Marinemaster M-4040mm
SBGH34138mm
Power Reserve
Marinemaster M-4038h
SBGH34155h
Water Resistance
Marinemaster M-40300m
SBGH341100m
MSRP
Marinemaster M-40$3,520
SBGH341$7,900

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
38mm
Thickness
13mm
12.9mm
Lug-to-Lug
44.7mm
Lug Width
21mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Orange
Black

Movement

3 specs
Caliber
Sellita SW220-1
9S85
Power Reserve
38h
55h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$7,900

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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 SBGH341

The Grand Seiko SBGH341 is noted for its vintage-friendly 38mm size and high-intensity titanium construction. Reviewers highlight its bezel-less design and textured light pink dial. The hi-beat automatic calibre 9S85 movement offers a claimed accuracy of +5 to -3 seconds per day. One concern raised is that the highly polished Zaratsu case finish may be prone to scratching. The titanium bracelet lacks micro-adjustment. Overall, reviewers praise the Grand Seiko SBGH341 for its refined 38mm sizing and lightweight titanium build.

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