Side by side

Fortis Marinemaster M-40vsGrand Seiko SBGJ249

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
SBGJ249
Grand SeikoSBGJ249
MSRP $7,700

At a glance

12 of 29 specs differ
Diameter
Marinemaster M-4040mm
SBGJ24939.5mm
Power Reserve
Marinemaster M-4038h
SBGJ24955h
Water Resistance
Marinemaster M-40300m
SBGJ24930m
MSRP
Marinemaster M-40$3,520
SBGJ249$7,700

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
39.5mm
Thickness
13mm
14.1mm
Lug-to-Lug
46.9mm
Lug Width
21mm
19mm
Water Resistance
300m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Orange
Black

Movement

3 specs
Caliber
Sellita SW220-1
9S86
Power Reserve
38h
55h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$7,700

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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 SBGJ249

Grand Seiko SBGJ249 owners and reviewers widely praise its spectacular beauty, particularly the stunning wave dial that shifts color and exhibits an incredible texture. The watch is noted for its perfect proportions and "out of this world" finishing on the case, hands, and hour indices. It is powered by the Hi-Beat Caliber 9S86, a true GMT movement operating at 36,000vph. Accuracy is reported at -3 to +5 seconds per day, with one owner noting +3 seconds per day. The watch is offered at $6,800, which is considered outstanding value. A drawback flagged is its 3 bar water resistance. On balance, owners and reviewers rate the Grand Seiko SBGJ249 highly for its exceptional dial finishing and overall beauty at its price point.

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